Extend dse
[gcc.git] / gcc / ChangeLog
1 2007-05-13 Revital Eres <eres@il.ibm.com>
2
3 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
4 which walks virtual def-use chains to find redundant stores.
5 (dse_optimize_stmt): Call it.
6
7 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
8
9 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
10 * passes.c (init_optimization_passes): Move pass_jump_bypass
11 after loop2.
12
13 * basic-block.h (bb_has_eh_pred): Fix style issue.
14
15 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
16
17 PR rtl-optimization/31848
18 * loop-invariant.c (move_invariant_reg): If we move an insn
19 with a REG_EQUAL note, and that insn is not always executed,
20 remove the REG_EQUAL note.
21
22 2007-05-12 Richard Guenther <rguenther@suse.de>
23
24 PR tree-optimization/31797
25 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
26 propagate into a stmt that has volatile ops.
27
28 2007-05-12 Richard Sandiford <richard@codesourcery.com>
29
30 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
31 (gcc_tooldir): Likewise.
32 * configure: Regenerate.
33 * Makefile.in (libsubdir_to_prefix): New variable, based on the
34 old configure.ac gcc_tooldir setting.
35 (prefix_to_exec_prefix): New variable.
36 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
37 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
38
39 2007-05-11 Silvius Rus <rus@google.com>
40
41 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
42 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
43 * c-common.h (strict_aliasing_warning): Change return type.
44 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
45 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
46 (build_c_cast): Condition call to strict_aliasing_warning.
47 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
48 * flags.h (set_Wstrict_aliasing): Declare.
49 * opts.c (set_Wstrict_alising): Define, add call to.
50 * tree-flow.h (strict_aliasing_warning_backend): Declare.
51 * tree-ssa-alias-warnings.c: New file.
52 * tree-ssa-alias.c (compute_may_aliases): Add call to
53 strict_aliasing_warning_backend.
54
55 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
56
57 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
58 Use loop_depth and loop_outer accessor functions.
59 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
60 determine_invariantness_stmt, move_computations_stmt): Ditto.
61 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
62 add_loop, loopify, unloop, fix_loop_structure): Ditto.
63 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
64 * tree-scalar-evolution.c (interpret_loop_phi,
65 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
66 instantiate_parameters_1, scev_const_prop): Ditto.
67 * cfghooks.c (make_forwarder_block): Ditto.
68 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
69 * modulo-sched.c (loop_canon_p): Ditto.
70 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
71 slpeel_can_duplicate_loop_p): Ditto.
72 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
73 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
74 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
75 cancel_loop, verify_loop_structure): Ditto.
76 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
77 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
78 superloops vector instead of "pred" array.
79 (establish_preds): Take father loop as an argument. Initialize the
80 superloops vector.
81 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
82 initialize loop->outer.
83 (flow_loop_tree_node_remove): Truncate the superloops vector.
84 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
85 "pred" merged to "superloops" vector.
86 (loop_depth, loop_outer): New.
87 (fel_init): Use loop_outer.
88
89 2007-05-11 Jan Hubicka <jh@suse.cz>
90
91 * cgraphunit.c: Include gt-cgraphunit.h
92 (static_ctors, static_dtors): New static vars.
93 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
94 based on implementation in c-common.c
95 (cgraph_finalize_function): Call record_cdtor_fn.
96 (cgraph_optimize): Call cgraph_build_cdtor_fns.
97 * decl.c (finish_function): Do not call c_record_cdtor_fn.
98 (c_write_global_declarations): Do not call c_build_cdtor_fns.
99 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
100 build_cdtor, c_build_cdtor_fns): Remove.
101 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
102 c_build_cdtor_fns): Remove prototype.
103
104 2007-05-11 Paolo Carlini <pcarlini@suse.de>
105
106 PR other/31852
107 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
108 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
109 * builtins.c (fold_builtin_memchr): New.
110 (expand_builtin_memchr): Call the latter.
111 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
112 * doc/extend.texi ([Other built-in functions provided by GCC]):
113 Document memchr.
114
115 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
116
117 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
118 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
119 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
120 PFPO_OP1_TYPE_SHIFT): Constants added.
121 (DFP_ALL): Mode macro defined.
122 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
123 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
124 Insn definitions added.
125 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
126 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
127 Expanders added.
128
129 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
130
131 PR tree-optimization/31885
132 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
133 to be undetermined.
134 (automatically_generated_chrec_p): Return false for NULL.
135
136 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
137
138 * config/bfin/bfin.h (MOVE_RATIO): Define.
139
140 2007-05-10 Richard Sandiford <richard@codesourcery.com>
141
142 * config.gcc (sparc-wrs-vxworks): New target.
143 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
144 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
145 * config/sparc/sparc.h: Include vxworks-dummy.h.
146 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
147 include LABEL_REFs too.
148 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
149 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
150 VxWorks.
151 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
152 on VxWorks.
153 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
154 (sparc_emit_call_insn): New function.
155 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
156 functions when generating VxWorks PIC.
157 * config/sparc/sparc.md (vxworks_load_got): New pattern.
158 (call, call_value): Use sparc_emit_call_insn instead of
159 emit_call_insn.
160
161 2007-05-09 Bob Wilson <bob.wilson@acm.org>
162
163 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
164
165 2007-05-09 Bob Wilson <bob.wilson@acm.org>
166
167 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
168 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
169 instead of operand_subword.
170
171 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
172
173 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
174 * config/bfin/bfin.c (bfin_local_alignment): New function.
175 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
176
177 2007-05-08 Chao-ying Fu <fu@mips.com>
178
179 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
180 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
181 (smsub_widen_optab, umsub_widen_optab): Define.
182 * optabs.c (init_optabs): Initialize smsub_widen_optab and
183 umsub_widen_optab.
184 * genopinit.c (optabs): Fill in smsub_widen_optab and
185 umsub_widen_optab.
186 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
187 and umsub_widen_optab to implement multiply-subtract sequences.
188 * config/mips/mips.md (*msac<u>_di): Rename to...
189 (<u>msubsidi4): ...this. Extend condition to include
190 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
191 of operand 0 to "ka" and use the three-operand form of msub<u>
192 for TARGET_DSPR2.
193 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
194 to define_expands.
195
196 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
197
198 PR rtl-optimization/28011
199 * reload.c (push_reload): Set dont_share if IN appears in OUT
200 also when IN is a PLUS rtx.
201 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
202 are same PLUS rtx.
203
204 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
205
206 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
207 call unshare_all_decls.
208 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
209 (unshare_all_decls): Remove.
210
211 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
212
213 PR 31847
214 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
215 dumps.
216
217 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
218 Nigel Stephens <nigel@mips.com>
219
220 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
221 Update comments and all uses.
222 (MIN_FPRS_PER_FMT): Define.
223 * config/mips/mips.c (function_arg): Fix to correctly handle
224 the -mips32r2 -mfp64 -mabi=32 case.
225 (override_options): Enable use of odd-numbered registers for
226 SFmode values on MIPS32.
227 (mips_save_reg_p): Save whole floating-point register pair if
228 either half is used.
229 (compute_frame_size): Fix comment.
230
231 2007-05-08 Jie Zhang <jie.zhang@analog.com>
232
233 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
234 argument of type bool.
235 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
236 argument. Safely select temporary P register according to it.
237 (do_link): Change call site of add_to_reg accordingly.
238 (do_unlink): Add epilogue_p as a fourth argument and pass it
239 to add_to_reg.
240 (expand_interrupt_handler_epilogue): Change call of do_unlink
241 accordingly.
242 (bfin_expand_prologue): Add a third argument sibcall_p.
243 * config/bfin/bfin.md (epilogue): Change call of
244 bfin_expand_epilogue accordingly.
245 (sibcall_epilogue): Likewise.
246 (eh_return_internal): Likewise.
247
248 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
249 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
250 * config/bfin/bfin.c (bfin_handle_option): Handle
251 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
252 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
253 Support bf534, bf536 and bf561.
254 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
255
256 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
257
258 PR target/31854
259 * config/i386/i386.c (ix86_function_regparm): Process local
260 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
261
262 2007-05-07 Mike Stump <mrs@apple.com>
263
264 * doc/invoke.texi (Warning Options): Document that -Wempty-body
265 also checks for and while statements in C++.
266
267 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
268
269 * gcc.c (at_file_supplied): New variable.
270 (main): Set it if we expanded argv.
271 (do_spec_1): Pass an @-file to the linker if we were called with
272 an @-file argument and HAVE_GNU_LD.
273 * collect2.c (at_file_supplied): New variable.
274 (response_file): New variable.
275 (collect_exit): Unlink response_file if necessary.
276 (handler): Likewise.
277 (do_wait): Likewise.
278 (main): Set at_file_supplied if we expanded argv.
279 (collect_execute): Pass an @-file to subprocesses if we were called
280 with an @-file argument.
281 * configure.ac: Add define for HAVE_GNU_LD.
282 * configure: Regenerate.
283 * config.in: Regenerate.
284
285 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
286
287 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
288 operand to HI mode.
289 (mulsi3): New.
290 (divsi3): New.
291 (udivsi3): New.
292
293 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
294
295 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
296 (TARGET_ENCODE_SECTION_INFO): Re-define.
297 (m32c_encode_section_info): New
298 (function_vector_handler): New
299 (current_function_special_page_vector): New
300 (m32c_special_page_vector_p): New.
301 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
302 Prototype.
303 * config/m32c/jump.md: Added instruction JSRS for functions
304 with attribute "function_vector".
305 * doc/extend.texi (function_vector): Added description
306 for M16C, M32C targets.
307
308 2007-05-07 DJ Delorie <dj@redhat.com>
309
310 PR 31794
311 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
312 ashrpsi3, lshrpsi3): Update shift count constraint.
313
314 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
315 Nathan Froyd <froydnj@codesourcery.com>
316
317 PR 22133
318 * c-incpath.c (add_path): Strip trailing path separators.
319
320 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
321
322 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
323 Free dominance info before purging EH edges.
324 (eliminate_degenerate_phis): Likewise.
325 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
326
327 2007-05-07 Jan Hubicka <jh@suse.cz>
328
329 * gimplify.c (gimplify_expr): Do not crash when folding
330 (void *)(int)&a + 4.
331
332 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
333
334 PR driver/31694
335 * c-opts.c (lang_fortran): Make it non static.
336 * c-common.h (lang_fortran): New prototype.
337 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
338 -lang-fortran option was passed by the driver.
339
340 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
341
342 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
343 of ASSERT_CHECKING. Tweak message.
344
345 2007-05-06 Revital Eres <eres@il.ibm.com>
346
347 PR 30957
348 * loop-unroll.c (insert_var_expansion_initialization):
349 Initialize the expansions with -zero instead of +zero.
350
351 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
352
353 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
354 into pic and non-pic versions. Mark r19 as used for
355 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
356 for tgd_load, tld_load and tie_load .
357 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
358 version of tgd_load, tld_load and tie_load depending on the
359 value of flag_pic.
360
361 2007-05-04 Ulrich Drepper <drepper@redhat.com>
362 Jakub Jelinek <jakub@redhat.com>
363
364 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
365 (__do_global_dtors_aux): Use more paranoid loop to run
366 destructors if HIDDEN_DTOR_LIST_END.
367 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
368
369 2007-05-04 Jakub Jelinek <jakub@redhat.com>
370
371 * varasm.c (align_variable): Don't increase alignment for
372 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
373 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
374
375 2007-05-04 Josh Conner <jconner@apple.com>
376
377 * basic-block.h (cdi_direction): Assign values to all enumeration
378 constants.
379 (dom_computed): Remove.
380 (dom_info_state): New.
381 (set_dom_info_availability): New.
382 * tree-ssa-loop-im.c (determine_invariantness): Initialize
383 walk_data.dom_direction.
384 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
385 instead of dom_computed[].
386 (split_edge): Likewise.
387 (create_basic_block): Likewise.
388 (merge_blocks): Likewise.
389 * ifcvt.c (find_if_header): Likewise.
390 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
391 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
392 * tree-ssa.c (verify_ssa): Likewise.
393 * tree-cfg.c (tree_verify_flow_info): Likewise.
394 (remove_edge_and_dominated_blocks): Likewise.
395 * dominance.c (dom_computed): Make static.
396 (calc_dfs_tree_nonrec): Change third param to a bool.
397 (calc_dfs_tree): Change second param to a bool.
398 (calc_idioms): Change second param to a bool. Use
399 dom_convert_dir_to_idx.
400 (init_dom_info): Validate dir before using.
401 (dom_convert_dir_to_idx): New.
402 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
403 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
404 (free_dominance_info): Use dom_convert_dir_to_idx.
405 (get_immediate_dominator): Likewise.
406 (set_immediate_dominator): Likewise.
407 (get_dominated_by): Likewise.
408 (redirect_immediate_dominators): Likewise.
409 (nearest_common_denominator): Likewise.
410 (dominated_by_p): Likewise.
411 (bb_dom_dfs_in): Likewise.
412 (bb_dom_dfs_out): Likewise.
413 (recount_dominator): Likewise.
414 (iterate_fix_dominators): Likewise.
415 (add_to_dominance_info): Likewise.
416 (delete_from_dominance_info): Likewise.
417 (first_dom_son): Likewise.
418 (next_dom_son): Likewise.
419 (dom_info_available_p): Likewise.
420 (dom_info_state): New.
421 (set_dom_info_availability): New.
422
423 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
424
425 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
426 Expander removed.
427 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
428
429 2007-05-04 Bob Wilson <bob.wilson@acm.org>
430
431 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
432 (subdi3, subdi_carry): Delete.
433
434 2007-05-04 Jan Hubicka <jh@suse.cz>
435 Richard Guenther <rguenther@suse.de>
436
437 * opts.c (decode_options): Do not fiddle with inlining
438 parameters in case of optimizing for size.
439 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
440 for size do nothing.
441 (cgraph_decide_inlining_of_small_function): When optimizing for
442 size never inline functions increasing caller size.
443 (cgraph_early_inlining): Inline for size when optimizing for size.
444
445 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
446
447 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
448 logical operations piecewise.
449 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
450 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
451 subdi_sesidi_di): Delete.
452 (add_with_carry): Produce carry in CC instead of a DREG to shorten
453 the generated sequence. Allow three-reg add in constraints. Rewrite
454 the rtl expression for carry to avoid zero_extend of a constant.
455 (sub_with_carry): New pattern.
456 (adddi3, subdi3): Change into define_expand. For subtract, generate a
457 different sequence not involving jumps.
458 (notbi): Now a named pattern.
459
460 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
461
462 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
463 Add the note about a significant loss of accuracy of some
464 mathematical routines when these options are used.
465
466 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
467
468 * haifa-sched.c (rtx_vec_t): New typedef.
469 (contributes_to_priority_p): Extract piece of priority () into new
470 static function.
471 (priority): Use the function. Add assertion.
472 (rank_for_schedule, set_priorities): Add assertion to check that
473 insn's priority is initialized.
474 (clear_priorities, calc_priorities): Change signature. Make it update
475 all relevant insns. Update all callers ('add_to_speculative_block ()'
476 and 'create_block_check_twin ()').
477 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
478 Add new field 'priority_status'.
479 (INSN_PRIORITY_STATUS): New macro.
480 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
481
482 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
483
484 * sched-ebb.c (debug_ebb_dependencies): New static function.
485 (init_ready_list): Use it.
486
487 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
488 with changed signature and 'debug_rgn_dependencies ()'.
489 (debug_rgn_dependencies): New static function.
490 (init_ready_list): Use it.
491
492 * sched-int.h (debug_dependencies): Declare.
493
494 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
495
496 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
497
498 2007-05-04 Dirk Mueller <dmueller@suse.de>
499
500 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
501
502 2007-05-03 Jan Hubicka <jh@suse.cz>
503
504 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
505 for pointer type in more cases than before.
506
507 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
508
509 * tree-object-size.c (plus_expr_object_size): When operand size is
510 unknown, return unknown.
511
512 2007-05-03 Dirk Mueller <dmueller@suse.de>
513
514 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
515
516 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
517 options.
518
519 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
520
521 2007-05-03 Janis Johnson <janis187@us.ibm.com>
522
523 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
524
525 2007-05-03 Joseph Myers <joseph@codesourcery.com>
526
527 * config/soft-fp/double.h, config/soft-fp/extended.h,
528 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
529 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
530 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
531 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
532 glibc CVS.
533
534 2007-05-03 Ian Lance Taylor <iant@google.com>
535
536 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
537 MASK_PPC_GFXOPT for 8540 or 8548.
538
539 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
540
541 * tree-vect-transform.c (vect_update_inits_of_drs): Use
542 vect_print_dump_info() to output debug information.
543
544 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
545
546 PR target/31768
547 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
548 operands of size 2 when operand is not MEM_P.
549
550 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
551
552 PR tree-optimization/30565
553 * lambda-code.c (perfect_nestify): Fix updating of dominators.
554
555 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
556
557 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
558 (umulsi3_highpart): Use them.
559 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
560 for final accumulator to D regisster tranfser.
561
562 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
563
564 PR tree-optimization/31699
565 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
566 code.
567 (vect_enhance_data_refs_alignment): Compute peel amount using
568 TYPE_VECTOR_SUBPARTS instead of vf.
569 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
570
571 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
572
573 PR bootstrap/31776
574 * system.h: Remove inclusion of double-int.h
575 * tree.h: Include double-int.h
576 * gengtype.c: Likewise
577 * cfgloop.h: Likewise
578 * Makefile.in: Adjust dependencies on double-int.h
579
580 2007-05-02 Eric Christopher <echristo@apple.com>
581
582 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
583 -shared to -Zdynamiclib.
584
585 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
586
587 PR c++/31663
588 * c-common.c (strip_pointer_or_array_types): New function.
589 * c-common.h (strip_pointer_or_array_types): New function declaration.
590
591 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
592
593 PR tree-optimization/31771
594 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
595
596 2007-05-02 Paul Brook <paul@codesourcery.com>
597
598 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
599
600 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
601
602 PR middle-end/29715
603 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
604 transformation.
605
606 2007-05-02 Nick Clifton <nickc@redhat.com>
607
608 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
609
610 2007-05-02 Richard Guenther <rguenther@suse.de>
611
612 PR tree-optimization/31146
613 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
614 argument, single_use_p. If we have a single use that is
615 a conversion to the definition rhs type, propagate that rhs.
616 (forward_propagate_addr_expr): Pass single_use_p argument
617 to forward_propagate_addr_expr_1.
618
619 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
620
621 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
622 variable.
623
624 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
625
626 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
627 'AMD Family 10 core'.
628
629 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
630
631 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
632 and athlon64-sse3 as improved versions of k8, opteron and athlon64
633 with SSE3 instruction set support.
634 * doc/invoke.texi: Likewise.
635
636 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
637
638 * config/i386/i386.c (override_options): Tuning 32-byte loop
639 alignment for amdfam10 architecture. Increasing the max loop
640 alignment to 24 bytes.
641
642 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
643
644 * config/m68k/constraints.md: New.
645 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
646 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
647 EXTRA_CONSTRAINT): Remove.
648 * config/m68k/m68k.md: Include constraints.md.
649 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
650
651 2007-05-01 Ian Lance Taylor <iant@google.com>
652
653 PR tree-optimization/31739
654 * tree-vrp.c (vrp_val_is_max): New static function.
655 (vrp_val_is_min): New static function.
656 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
657 copying the node.
658 (set_value_range): Use vrp_val_is_{max,min}.
659 (extract_range_from_assert): Likewise.
660 (extract_range_from_binary_expr): Likewise.
661 (extract_range_from_unary_expr): Likewise.
662 (dump_value_range, vrp_meet): Likewise.
663 (vrp_visit_phi_node): Likewise.
664 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
665
666 2007-05-01 Mark Mitchell <mark@codesourcery.com>
667
668 * config/i386/gmon-sol2.c (size_t): New type.
669 (intptr_t): Likewise.
670 (s_textsize): Declare as size_t.
671 (sbrk): Declare.
672 (monstartup): Use size_t for sizes.
673 (_mcount): Save and restore registers.
674 (internal_mcount): Pass 0 as the first argument to monstartup
675 in 64-bit mode.
676 (moncontrol): Convert pointer to appropriately sized integer
677 before passing to profil.
678
679 2007-05-01 Joseph Myers <joseph@codesourcery.com>
680
681 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
682 __NO_FPRS__, not just if _SOFT_DOUBLE.
683 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
684 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
685 also for E500 double.
686 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
687 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
688 && !TARGET_FPRS).
689
690 2007-05-01 Richard Guenther <rguenther@suse.de>
691
692 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
693 is NULL.
694
695 2007-05-01 Joseph Myers <joseph@codesourcery.com>
696
697 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
698
699 2007-05-01 Jan Hubicka <jh@suse.cz>
700
701 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
702 invariant.
703
704 2007-05-01 Jan Hubicka <jh@suse.cz>
705
706 * tree.h (maybe_fold_offset_to_component_ref): Remove.
707 (maybe_fold_offset_to_reference): Declare.
708 * fold-const.c (fold_unary): Do not fold
709 (type *)&A into &A->field_of_type_and_offset_0
710 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
711 size is unknown, give up.
712 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
713 offsets.
714 (maybe_fold_offset_to_reference): New.
715 (maybe_fold_stmt_indirect): Use it.
716 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
717 * gimplify.c (gimplify_conversion): Canonicalize conversions to
718 field references.
719 (gimplify_expr): Likewise for plus_expr.
720
721 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
722
723 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
724 bsi_after_labels. Always insert statements before bsi.
725 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
726 * predict.c (apply_return_prediction): Check for empty blocks.
727 * cfgexpand.c (lab_rtx_for_bb): New variable.
728 (label_rtx_for_bb): Do not create new tree labels.
729 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
730 (tree_expand_cfg): Initialize lab_rtx_for_bb.
731 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
732 creating edges.
733 (label_for_bb): Add field used.
734 (update_eh_label, main_block_label): Mark the label used.
735 (cleanup_dead_labels): Remove unused labels.
736
737 2007-05-01 Richard Guenther <rguenther@suse.de>
738
739 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
740 if it is not about to be set.
741 (get_value_range): Do not pre-allocate equiv bitmap.
742 (update_value_range): No need to clear equiv field.
743 (add_equivalence): Change prototype to get bitmap pointer.
744 Allocate bitmap here if it is not already.
745 (extract_range_from_assert): Do not allocate bitmap here.
746 Update callers to add_equivalence.
747 (extract_range_from_ssa_name): Likewise.
748 (get_vr_for_comparison): New static helper.
749 (compare_name_with_value): Handle NULL equiv bitmap by
750 peeling the first iteration of the comparison loop.
751 Use get_vr_for_comparison.
752 (compare_names): Handle NULL equiv bitmaps by using fake
753 ones. Use get_vr_for_comparison.
754
755 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
756
757 * double-int.c (mpz_set_double_int): Moved from
758 tree-ssa-loop-niter.c.
759 (mpz_get_double_int): Likewise; also, add option to wrap
760 out-of-range integers.
761 * double-int.h: New prototypes for above.
762 * tree.c (get_static_type_bounds): Moved from
763 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
764 TYPE_MAX_VALUE if they exist..
765 * tree.h: New prototype for above.
766 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
767 get_type_bounds calls.
768 (mpz_set_double_int): Move to double-int.c.
769 (get_type_bounds): Move to tree.c, rename to
770 get_static_type_bounds.
771 (mpz_to_double_int): Move to double-int.c, rename to
772 mpz_get_double_int.
773
774 2007-04-30 Bob Wilson <bob.wilson@acm.org>
775
776 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
777 DIV0 exception can fall through to a normal return.
778
779 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
780
781 PR middle-end/22156
782 Temporarily revert:
783 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
784 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
785 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
786 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
787 initialize align to silence bogus warning.
788 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
789 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
790 all_no_warning.
791 (struct sra_walk_fns): Remove use_all parameter from use.
792 (sra_hash_tree): Handle BIT_FIELD_REFs.
793 (sra_elt_hash): Don't hash bitfld blocks.
794 (sra_elt_eq): Skip them in parent compares as well. Handle
795 BIT_FIELD_REFs.
796 (sra_walk_expr): Don't maintain or pass down use_all_p.
797 (scan_use): Remove use_all parameter.
798 (scalarize_use): Likewise. Re-expand assignment to
799 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
800 output, and re-scalarize after output. Don't mark anything
801 for no warning.
802 (scalarize_ldst): Adjust.
803 (scalarize_walk_gimple_modify_statement): Likewise.
804 (build_element_name_1): Handle BIT_FIELD_REFs.
805 (instantiate_element): Don't warn for any element whose parent
806 is used as a whole.
807 (instantiate_missing_elements_1): Return the sra_elt.
808 (canon_type_for_field): New.
809 (try_instantiate_multiple_fields): New.
810 (instantiate_missing_elemnts): Use them.
811 (mark_no_warning): Removed.
812 (generate_one_element_ref): Handle BIT_FIELD_REFs.
813 (REPLDUP, sra_build_elt_assignment): New.
814 (generate_copy_inout): Use them.
815 (generate_element_copy): Likewise. Handle bitfld differences.
816 (generate_element_zero): Don't recurse for blocks. Use
817 sra_build_elt_assignment.
818 (generate_one_element_int): Take elt instead of var. Use
819 sra_build_elt_assignment.
820 (generate_element_init_1): Adjust.
821 (scalarize_use, scalarize_copy): Use REPLDUP.
822 (scalarize_ldst): Move assert before dereference.
823 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
824
825 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
826
827 PR C++/31721
828 * tree.c (reconstruct_complex_type): Reconstruct a reference
829 correctly.
830 Also use the same mode for the pointer as the old pointer type.
831
832 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
833
834 * doc/trouble.texi (Interoperation): Remove note about Ultrix
835 Fortran compiler.
836
837 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
838
839 PR rtl-optimization/31676
840 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
841 (df_refs_record): Call it.
842
843 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
844
845 * rtl.def (SS_ABS): New code.
846 * config/bfin/bfin.c (print_operand): New modifier 'v'.
847 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
848 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
849 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
850 (bfin_init_builtins): Define them.
851 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
852 (bfin_expand_builtin): ... and handle the others here.
853 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
854 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
855 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
856 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
857 operand is only HImode.
858
859 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
860
861 * regclass.c (scan_one_insn): Remove splitting of
862 two address insns.
863
864 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
865 Nigel Stephens <nigel@mips.com>
866
867 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
868
869 2007-04-28 Jan Hubicka <jh@suse.cz>
870
871 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
872 insn_locators_alloc instead of insn_locators_initialize;
873 call reset_block_changes.
874 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
875 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
876 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
877 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
878 * config/score/score.c (th_output_mi_thunk): Likewise.
879 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
880 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
881 tolerate uninitialized locator info.
882
883 Re-apply:
884 * function.c (init_function_start): Don't init line number info.
885 (expand_function_end): Update.
886 (reset_block_changes, record_block_change, finalize_block_changes,
887 check_block_change, free_block_changes): Kill.
888 * function.h (reset_block_changes, record_block_change,
889 finalize_block_changes, check_block_change, free_block_changes): Remove
890 prototypes.
891 (struct function): Remove ib_boundaries_block.
892 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
893 Use curr_insn_locator to initialize locator.
894 (emit_line_note): Remove.
895 * cfgexpand.c (expand_gimple_cond_expr): Update.
896 (construct_exit_block): Likewise.
897 (tree_expand_cfg): Initialize/finalize locators.
898 * expr.c (expand_expr_real): Update.
899 * cfglayout.c (line_locators_locs, line_locators_lines,
900 file_locators_locs, file_locators_files): Remove.
901 (set_block_levels): Move to cfgexpand.c.
902 (insn_locators_initialize): Remove.
903 (pass_insn_locators_initialize): Remove.
904 (locations_locators_locs, locations_locators_vals): New static vars.
905 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
906 Likewise.
907 (insn_locators_alloc, insn_locators_finalize,
908 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
909 New functions.
910 (locator_location): New.
911 (locator_line, locator_file): Rewrite.
912 * rtl.h (emit_line_note): Kill.
913 (insn_locators_alloc, insn_locators_finalize,
914 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
915 Declare.
916 * tree-inline.c (initialize_cfun): Do not initialize
917 ib_boundaries_block.
918 * passes.c (pass_insn_locators_initialize): Remove.
919
920 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
921
922 * tree-cfg.c (move_block_to_fn): Release bb from dominance
923 info. Update last_basic_block correctly.
924
925 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
926
927 PR target/31701
928 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
929 register itself to hold the offset constant. Tell flow the use
930 of r4 and r5 when they are used.
931
932 2007-04-27 Richard Guenther <rguenther@suse.de>
933
934 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
935 if we simplified anything.
936 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
937 warnings until we did a simplification and the stmt was not
938 marked as TREE_NO_WARNING.
939
940 2007-04-27 Mike Stump <mrs@apple.com>
941
942 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
943
944 2007-04-27 Ian Lance Taylor <iant@google.com>
945
946 PR middle-end/31710
947 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
948 TYPE_MAX_VALUE exist, convert them to the new type.
949
950 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
951
952 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
953 if it claims to be available.
954 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
955 edge is redirected.
956 (perform_tree_ssa_dce): Always free postdominators.
957
958 2007-04-27 Richard Henderson <rth@redhat.com>
959
960 * config/alpha/predicates.md (aligned_memory_operand): Mark
961 as define_special_predicate.
962 (unaligned_memory_operand, normal_memory_operand): Likewise.
963 (reg_or_unaligned_mem_operand): Remove.
964 (any_memory_operand): Match the documentation and check for
965 non-renumbered pseudos during reload.
966 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
967 alpha_secondary_reload_class, update to new interface, make static.
968 Handle CQImode like HImode. Remove FP subreg check.
969 (alpha_expand_mov): Use replace_equiv_address.
970 (alpha_expand_mov_nobwx): Use any_memory_operand.
971 (TARGET_SECONDARY_RELOAD): New.
972 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
973 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
974 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
975 * config/alpha/alpha.md: ... here.
976 (RELOAD12, reloadmode): New.
977 (movcqi): New.
978 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
979 Don't handle the aligned case here.
980 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
981 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
982 reload_inhi_help. Don't expect a scratch register.
983 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
984 reload_outhi_help.
985 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
986
987 2007-04-27 Richard Guenther <rguenther@suse.de>
988
989 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
990
991 2007-04-27 Richard Guenther <rguenther@suse.de>
992
993 PR tree-optimization/30965
994 PR tree-optimization/30978
995 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
996 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
997 (find_equivalent_equality_comparison): Likewise.
998 (simplify_cond): Likewise.
999 (get_prop_source_stmt): New helper.
1000 (get_prop_dest_stmt): Likewise.
1001 (can_propagate_from): Likewise.
1002 (remove_prop_source_from_use): Likewise.
1003 (combine_cond_expr_cond): Likewise.
1004 (forward_propagate_comparison): New function.
1005 (forward_propagate_into_cond): Rewrite to use fold for
1006 tree combining.
1007 (tree_ssa_forward_propagate_single_use_vars): Call
1008 forward_propagate_comparison to propagate comparisons.
1009
1010 2007-04-27 Richard Guenther <rguenther@suse.de>
1011
1012 PR tree-optimization/31715
1013 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1014 sure to do computation on the offset in an appropriate
1015 signed type.
1016
1017 2007-04-27 Richard Sandiford <richard@codesourcery.com>
1018
1019 * reload.h (elimination_target_reg_p): Declare.
1020 * reload.c (find_reloads): Don't apply the reg_rtx move
1021 optimization if the SET_DEST satisfies elimination_target_reg_p.
1022 * reload1.c (elimination_target_reg_p): New function.
1023 (gen_reload): In the move/add2 fallback, make sure that op0
1024 does not overlap the destination register.
1025
1026 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1027
1028 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1029 transform only GIMPLE_MODIFY_STMTs.
1030 * tree-complex.c (expand_complex_operations_1): Ditto.
1031 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1032 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1033 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1034 branches.
1035 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1036 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1037 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1038 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1039 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1040 slpeel_add_loop_guard): Ditto.
1041 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1042 * lambda-code.c (perfect_nestify): Ditto.
1043 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1044 before the first statement.
1045 * tree-optimize.c (execute_free_datastructures): Fix comments.
1046 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1047 * tree-flow.h (disband_implicit_edges): Declaration removed.
1048 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1049 branches.
1050 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1051 without gotos.
1052 (disband_implicit_edges, has_label_p): Removed.
1053 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1054 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1055 branches.
1056 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1057 side effects.
1058 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1059 also for COND_EXPRs.
1060 * cfgexpand.c (label_rtx_for_bb): New function.
1061 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1062 Use label_rtx_for_bb to find the labels.
1063 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1064 last block. Detect fallthru edges.
1065
1066 2007-04-26 Ian Lance Taylor <iant@google.com>
1067
1068 PR target/28675
1069 * reload.c (find_reloads_subreg_address): If the address was valid
1070 in the original mode but not in the new mode, reload the whole
1071 address.
1072
1073 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1074
1075 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1076 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1077 (cleanup_control_expr_graph): Do not invalidate dominance info.
1078 Record altered blocks.
1079 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1080 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1081 cleanup_tree_cfg_bb): New functions.
1082 (remove_forwarder_block): Do not maintain the worklist of blocks.
1083 Record altered blocks.
1084 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1085 not over whole cfg.
1086 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
1087 delete_unreachable_blocks if dominators are not available.
1088 * tree-inline.c (optimize_inline_calls): Free dominance information
1089 earlier.
1090 * tree-flow.h (remove_edge_and_dominated_blocks,
1091 cfgcleanup_altered_bbs): Altered.
1092 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1093 blocks.
1094 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1095 functions.
1096 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1097 do not invalidate dominators.
1098
1099 2007-04-26 Anatoly Sokolov <aesok@post.ru>
1100
1101 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1102 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1103 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1104 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1105
1106 2007-04-26 Steve Ellcey <sje@cup.hp.com>
1107
1108 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
1109
1110 2007-04-26 Richard Guenther <rguenther@suse.de>
1111
1112 PR tree-optimization/31703
1113 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1114 the right type for the target of the bittest.
1115
1116 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1117
1118 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1119 ix86_sol10_return_in_memory.
1120
1121 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1122
1123 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1124 variables.
1125
1126 2007-04-26 Jakub Jelinek <jakub@redhat.com>
1127
1128 PR c++/31598
1129 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1130
1131 PR tree-optimization/30558
1132 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1133 clear this_state.prev_try.
1134
1135 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1136 Mark Mitchell <mark@codesourcery.com>
1137
1138 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1139 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1140 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1141
1142 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1143
1144 PR driver/31107
1145 * doc/invoke.texi (%:print-asm-header): Document.
1146 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1147 and -ftarget-help.
1148 (static_spec_functions): Add print-asm-header.
1149 (main): Print a banner before the --target-help linker options.
1150 (print_asm_header_spec_function): New function.
1151
1152 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
1153
1154 PR target/31403
1155 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1156 (movsf_ie): Likewise.
1157
1158 2007-04-25 Paolo Carlini <pcarlini@suse.de>
1159
1160 * doc/extend.texi ([Type Traits]): Adjust per N2255.
1161
1162 2007-04-25 Bob Wilson <bob.wilson@acm.org>
1163
1164 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1165 for divide-by-zero.
1166 (__umodsi3, __modsi3): Likewise.
1167
1168 2007-04-25 Dirk Mueller <dmueller@suse.de>
1169
1170 * c-typeck.c (build_compound_expr): Annotate warning()
1171 call with OPT_Wunused_value.
1172 * tree-ssa.c (warn_uninit): Annotate warning with
1173 OPT_Wunintialized.
1174 * c-common.c (handle_sentinel_attribute): Annotate warning
1175 call with OPT_Wattributes.
1176
1177 2007-04-25 Thiemo Seufer <ths@mips.com>
1178
1179 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1180 (mips16): Fix typo.
1181 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1182 on to the assembler. Improve handling of -mno-mips16. Add handling
1183 of -mno-mips3d, -mno-dsp, -mno-dspr2.
1184 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
1185 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1186 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1187
1188 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
1189
1190 PR target/31680
1191 * config/i386/winnt.c (i386_pe_file_end): Strip only
1192 USER_LABEL_PREFIX when writing export name.
1193
1194 2007-04-25 Richard Sandiford <richard@codesourcery.com>
1195
1196 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
1197 sh/elf.h, vx-common.h and vxworks.h.
1198 * config/sh/sh.h: Include config/vxworks-dummy.h.
1199 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1200 (OVERRIDE_OPTIONS): Use it.
1201 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1202 (vxworks_picreg): New pattern.
1203 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1204 VXWORKS_OS_CPP_BUILTINS.
1205 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1206 to their VXWORKS_* equivalents.
1207 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1208 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1209 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1210 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1211 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1212 -mrtp/-fPIC multilibs.
1213 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1214 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1215 (MULTILIB_OSDIRNAMES): Delete.
1216
1217 2007-04-25 Anatoly Sokolov <aesok@post.ru>
1218
1219 PR target/18989
1220 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1221
1222 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
1223
1224 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1225 rounding mode to be specified by the caller.
1226 (real_to_mpfr) Likewise.
1227 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1228 include new arguments.
1229 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1230
1231 2007-04-24 Ian Lance Taylor <iant@google.com>
1232
1233 PR tree-optimization/31605
1234 * tree-vrp.c (set_value_range): Check that min and max are not
1235 both overflow infinities.
1236 (set_value_range_to_value): New static function.
1237 (extract_range_from_binary_expr): Call set_value_range_to_value.
1238 (extract_range_from_cond_expr): Likewise.
1239 (extract_range_from_expr): Likewise.
1240 (extract_range_from_unary_expr): Likewise. Don't create a range
1241 which overflows on both sides.
1242 (vrp_meet): Check for a useless range.
1243 (vrp_visit_phi_node): If we see a constant which looks like an
1244 overflow infinity, turn off the TREE_OVERFLOW flag.
1245
1246 2007-04-24 Ian Lance Taylor <iant@google.com>
1247
1248 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1249
1250 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
1251
1252 PR diagnostic/25923
1253 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1254 diagnostic message is being built.
1255 * tree-pretty-print.c (dump_generic_node): Only write the
1256 formatted text into BUFFER's stream if we are not building a
1257 diagnostic message.
1258 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1259 dump_generic_node.
1260 * Makefile.in (toplev.o): Depend on tree-pass.h.
1261
1262 2007-04-24 Ian Lance Taylor <iant@google.com>
1263
1264 PR tree-optimization/31602
1265 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1266 conditionals in the copied loop header.
1267 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1268 warnings if TREE_NO_WARNING is set.
1269 * doc/invoke.texi (Warning Options): Clarify that
1270 -Wstrict-overflow does not warn about loops.
1271
1272 2007-04-24 Janis Johnson <janis187@us.ibm.com>
1273
1274 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1275 expand on the comment about _Decimal128 arguments and check the
1276 integer result of the modulus operation; for 64-bit ELF ABI, ensure
1277 that _Decimal128 argument uses even/odd register pair.
1278 (function_arg): Ditto.
1279
1280 2007-04-24 Hui-May Chang <hm.chang@apple.com>
1281
1282 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1283 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1284
1285 2007-04-24 Richard Guenther <rguenther@suse.de>
1286 Olga Golovanevsky <olga@il.ibm.com>
1287
1288 * fold-const.c (multiple_of_p): Check for bottom
1289 to be zero.
1290
1291 2007-04-24 Richard Henderson <rth@redhat.com>
1292
1293 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1294 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1295 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1296 looking for non-zero bits shifted out. Avoid a recursive call
1297 when constructing the scalar.
1298 (__floatundisf): Likewise.
1299
1300 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
1301
1302 * dwarf2out.c (field_byte_offset): Move the existing logic
1303 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1304 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1305
1306 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1307
1308 PR target/31641
1309 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1310 argument of 0 for memset.
1311 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1312 unsigned shift instead of the signed variant.
1313
1314 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1315
1316 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1317 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1318 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1319 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1320 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1321 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1322 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1323 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1324 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1325 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1326 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1327 "mul<mode>3", "div<mode>3"): Insn definitions added.
1328 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1329 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1330 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1331 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1332 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1333 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1334 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1335 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1336 TARGET_FLOAT_FORMAT): Macro definitions removed.
1337 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1338 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1339 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1340 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1341 (s390_gen_rtx_const_DI): Function removed.
1342 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1343
1344 2007-04-24 Richard Sandiford <richard@codesourcery.com>
1345
1346 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1347 over an external ffs function.
1348
1349 2007-04-24 Chao-ying Fu <fu@mips.com>
1350 Richard Sandiford <richard@nildram.co.uk>
1351
1352 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1353 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1354 (smadd_widen_optab, umadd_widen_optab): Define.
1355 * optabs.c (init_optabs): Initialize smadd_widen_optab and
1356 umadd_widen_optab.
1357 * genopinit.c (optabs): Fill in smadd_widen_optab and
1358 umadd_widen_optab.
1359 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1360 and umadd_widen_optab to implement multiply-add sequences.
1361 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1362 (<u>maddsidi4): ...this. Extend condition to include
1363 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
1364 of operand 0 to "ka" and use the three-operand form of madd<u>
1365 for TARGET_DSPR2.
1366 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1367 to define_expands.
1368 * config/mips/constraints.md (ka): New register constraint.
1369
1370 2007-04-24 Jan Hubicka <j@suse.cz>
1371
1372 Revert:
1373
1374 2007-04-23 Jan Hubicka <jh@suse.cz>
1375 * function.c (init_function_start): Don't init line number info.
1376 (expand_function_end): Update.
1377 (reset_block_changes, record_block_change, finalize_block_changes,
1378 check_block_change, free_block_changes): Kill.
1379 * function.h (reset_block_changes, record_block_change,
1380 finalize_block_changes, check_block_change, free_block_changes): Remove
1381 prototypes.
1382 (struct function): Remove ib_boundaries_block.
1383 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1384 Use curr_insn_locator to initialize locator.
1385 (emit_line_note): Remove.
1386 * cfgexpand.c (expand_gimple_cond_expr): Update.
1387 (construct_exit_block): Likewise.
1388 (tree_expand_cfg): Initialize/finalize locators.
1389 * expr.c (expand_expr_real): Update.
1390 * cfglayout.c (line_locators_locs, line_locators_lines,
1391 file_locators_locs, file_locators_files): Remove.
1392 (set_block_levels): Move to cfgexpand.c.
1393 (insn_locators_initialize): Remove.
1394 (pass_insn_locators_initialize): Remove.
1395 (locations_locators_locs, locations_locators_vals): New static vars.
1396 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1397 Likewise.
1398 (insn_locators_alloc, insn_locators_finalize,
1399 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1400 New functions.
1401 (locator_location): New.
1402 (locator_line, locator_file): Rewrite.
1403 * rtl.h (emit_line_note): Kill.
1404 (insn_locators_alloc, insn_locators_finalize,
1405 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1406 Declare.
1407 * tree-inline.c (initialize_cfun): Do not initialize
1408 ib_boundaries_block.
1409 * passes.c (pass_insn_locators_initialize): Remove.
1410
1411 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
1412
1413 * doc/invoke.texi: Removed leading '-' from option index entries.
1414
1415 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
1416
1417 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1418 Use phi_nodes_ptr.
1419 (create_phi_node): Use set_phi_nodes.
1420 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1421 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1422 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
1423 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1424 (bsi_start, bsi_last): Use bb_stmt_list.
1425 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1426 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1427 Traverse the statements using tsi iterator.
1428 * basic-block.h (struct basic_block_def): Fields stmt_list
1429 and phi_nodes moved to ...
1430 (struct tree_bb_info): ... new structure.
1431 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
1432 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1433 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
1434 (tree_verify_flow_info): Verify that il.tree is not set for
1435 entry and exit block.
1436 (tree_split_block): Use set_bb_stmt_list.
1437
1438 2007-04-23 Mike Stump <mrs@apple.com>
1439
1440 * config/i386/i386.c (ix86_tune_features
1441 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1442 nocona and core2.
1443
1444 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1445
1446 * config/i386/i386.md (prefix_extra): New attribute.
1447 (length): Add prefix_extra.
1448
1449 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1450 (sse2_movntv2di): Likewise.
1451 (sse2_cvtps2dq): Likewise.
1452 (sse2_cvtpd2pi): Likewise.
1453 (sse2_cvttpd2pi): Likewise.
1454 (*sse2_cvtpd2ps): Likewise.
1455 (*add<mode>3): Likewise.
1456 (sse2_ssadd<mode>3): Likewise.
1457 (sse2_usadd<mode>3): Likewise.
1458 (*sub<mode>3): Likewise.
1459 (sse2_sssub<mode>3): Likewise.
1460 (sse2_ussub<mode>3): Likewise.
1461 (*mulv8hi3): Likewise.
1462 (*smulv8hi3_highpart): Likewise.
1463 (*umulv8hi3_highpart): Likewise.
1464 (sse2_umulv2siv2di3): Likewise.
1465 (sse2_pmaddwd): Likewise.
1466 (ashr<mode>3): Likewise.
1467 (lshr<mode>3): Likewise.
1468 (ashl<mode>3): Likewise.
1469 (sse2_ashlti3): Likewise.
1470 (sse2_lshrti3): Likewise.
1471 (*umaxv16qi3): Likewise.
1472 (*smaxv8hi3): Likewise.
1473 (*uminv16qi3): Likewise.
1474 (*sminv8hi3): Likewise.
1475 (sse2_eq<mode>3): Likewise.
1476 (sse2_gt<mode>3): Likewise.
1477 (*and<mode>3): Likewise.
1478 (sse2_nand<mode>3): Likewise.
1479 (*ior<mode>3): Likewise.
1480 (*xor<mode>3): Likewise.
1481 (sse2_packsswb): Likewise.
1482 (sse2_packssdw): Likewise.
1483 (sse2_packuswb): Likewise.
1484 (sse2_punpckhbw): Likewise.
1485 (sse2_punpcklbw): Likewise.
1486 (sse2_punpckhwd): Likewise.
1487 (sse2_punpcklwd): Likewise.
1488 (sse2_punpckhdq): Likewise.
1489 (sse2_punpckldq): Likewise.
1490 (sse2_punpckhqdq): Likewise.
1491 (sse2_punpcklqdq): Likewise.
1492 (*sse2_pinsrw): Likewise.
1493 (*sse2_pextrw): Likewise.
1494 (sse2_pshufd_1): Likewise.
1495 (sse2_uavgv16qi3): Likewise.
1496 (sse2_uavgv8hi3): Likewise.
1497 (sse2_psadbw): Likewise.
1498 (sse2_pmovmskb): Likewise.
1499 (*sse2_maskmovdqu): Likewise.
1500 (*sse2_maskmovdqu_rex64): Likewise.
1501 (sse4a_extrqi): Likewise.
1502 (sse4a_extrq): Likewise.
1503 (sse3_lddqu): Set prefix_rep.
1504 (sse3_addsubv4sf3): Likewise.
1505 (sse3_haddv4sf3): Likewise.
1506 (sse3_hsubv4sf3): Likewise.
1507 (sse_cvtss2si): Likewise.
1508 (sse_cvtss2si_2): Likewise.
1509 (sse_cvtss2siq): Likewise.
1510 (sse_cvtss2siq_2): Likewise.
1511 (sse_cvttss2si): Likewise.
1512 (sse_cvttss2siq): Likewise.
1513 (sse2_cvttps2dq): Likewise.
1514 (sse3_movshdup): Likewise.
1515 (sse3_movsldup): Likewise.
1516 (sse2_cvtsd2si): Likewise.
1517 (sse2_cvtsd2si_2): Likewise.
1518 (sse2_cvtsd2siq): Likewise.
1519 (sse2_cvtsd2siq_2): Likewise.
1520 (sse2_cvttsd2si): Likewise.
1521 (sse2_cvttsd2siq): Likewise.
1522 (*sse2_cvtpd2dq): Likewise.
1523 (*sse2_cvttpd2dq): Likewise.
1524 (sse2_pshuflw_1): Likewise.
1525 (sse2_pshufhw_1): Likewise.
1526 (sse4a_insertqi): Likewise.
1527 (sse4a_insertq): Likewise.
1528 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1529 (ssse3_phadddv4si3): Likewise.
1530 (ssse3_phaddswv8hi3): Likewise.
1531 (ssse3_phsubwv8hi3): Likewise.
1532 (ssse3_phsubdv4si3): Likewise.
1533 (ssse3_phsubswv8hi3): Likewise.
1534 (ssse3_pmaddubswv8hi3): Likewise.
1535 (ssse3_pmulhrswv8hi3): Likewise.
1536 (ssse3_pshufbv16qi3): Likewise.
1537 (ssse3_psign<mode>3): Likewise.
1538 (ssse3_palignrti): Likewise.
1539 (abs<mode>2): Likewise.
1540 (ssse3_phaddwv4hi3): Set prefix_extra.
1541 (ssse3_phadddv2si3): Likewise.
1542 (ssse3_phaddswv4hi3): Likewise.
1543 (ssse3_phsubwv4hi3): Likewise.
1544 (ssse3_phsubdv2si3): Likewise.
1545 (ssse3_phsubswv4hi3): Likewise.
1546 (ssse3_pmaddubswv4hi3): Likewise.
1547 (ssse3_pmulhrswv4hi3): Likewise.
1548 (ssse3_pshufbv8qi3): Likewise.
1549 (ssse3_psign<mode>3): Likewise.
1550 (ssse3_palignrdi): Likewise.
1551 (abs<mode>2): Likewise.
1552 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1553 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1554 (sse2_pmovmskb): Set mode to SI instead of V2DF.
1555
1556 2007-04-23 Nick Clifton <nickc@redhat.com>
1557
1558 * params.def: Fix formatting of emacs local variables.
1559
1560 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1561
1562 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1563 move if inter-unit move isn't allowed.
1564 Don't split moving the first element of V2DI to DI to inter-unit
1565 move if inter-unit move isn't allowed.
1566
1567 2007-04-23 Richard Guenther <rguenther@suse.de>
1568
1569 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1570 and CDI_POST_DOMINATORS separately.
1571
1572 2007-04-23 Nick Clifton <nickc@redhat.com>
1573
1574 * c.opt (Wformat-contains-nul): Add warning attribute.
1575
1576 2007-04-23 Jan Hubicka <jh@suse.cz>
1577
1578 * function.c (init_function_start): Don't init line number info.
1579 (expand_function_end): Update.
1580 (reset_block_changes, record_block_change, finalize_block_changes,
1581 check_block_change, free_block_changes): Kill.
1582 * function.h (reset_block_changes, record_block_change,
1583 finalize_block_changes, check_block_change, free_block_changes): Remove
1584 prototypes.
1585 (struct function): Remove ib_boundaries_block.
1586 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1587 Use curr_insn_locator to initialize locator.
1588 (emit_line_note): Remove.
1589 * cfgexpand.c (expand_gimple_cond_expr): Update.
1590 (construct_exit_block): Likewise.
1591 (tree_expand_cfg): Initialize/finalize locators.
1592 * expr.c (expand_expr_real): Update.
1593 * cfglayout.c (line_locators_locs, line_locators_lines,
1594 file_locators_locs, file_locators_files): Remove.
1595 (set_block_levels): Move to cfgexpand.c.
1596 (insn_locators_initialize): Remove.
1597 (pass_insn_locators_initialize): Remove.
1598 (locations_locators_locs, locations_locators_vals): New static vars.
1599 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1600 Likewise.
1601 (insn_locators_alloc, insn_locators_finalize,
1602 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1603 New functions.
1604 (locator_location): New.
1605 (locator_line, locator_file): Rewrite.
1606 * rtl.h (emit_line_note): Kill.
1607 (insn_locators_alloc, insn_locators_finalize,
1608 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1609 Declare.
1610 * tree-inline.c (initialize_cfun): Do not initialize
1611 ib_boundaries_block.
1612 * passes.c (pass_insn_locators_initialize): Remove.
1613
1614 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
1615
1616 PR middle-end/31448
1617 * expr.c (reduce_to_bit_field_precision): Handle
1618 CONST_INT rtx's.
1619
1620 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
1621
1622 PR tree-optimization/24659
1623 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1624 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1625 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1626 * genopinit.c (optabs): Rename vec_pack_mod_optab
1627 to vec_pack_trunc_optab.
1628 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1629 early for scalar floating point operands for NOP_EXPR.
1630 (vectorizable_type_promotion): Ditto.
1631 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1632 vec_pack_trunc_optab.
1633 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1634
1635 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1636 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1637 Rename from VEC_PACK_MOD_EXPR.
1638 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1639 * expr.c (expand_expr_real_1): Ditto.
1640 * tree-inline.c (estimate_num_insns_1): Ditto.
1641 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1642
1643 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1644 (vec_unpacks_lo_v4sf): Ditto.
1645 (vec_pack_trunc_v2df): Ditto.
1646 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1647 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1648 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1649
1650 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1651 vec_pack_mod_v8hi.
1652 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1653
1654 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1655 Rename from VEC_PACK_MOD_EXPR. This expression also represent
1656 packing of floating point operands.
1657 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1658 represent unpacking of floating point operands.
1659 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1660 [vec_unpacks_hi]: Ditto.
1661 [vec_unpacks_lo]: Ditto.
1662
1663 2007-04-22 Jan Hubicka <jh@suse.cz>
1664
1665 * final.c (rest_of_handle_final): Call
1666 targetm.asm_out.constructor/targetm.asm_out.destructor
1667 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1668 proper priority via decl_*_priority_insert.
1669 * c-common.c (c_expand_body): Likewise.
1670
1671 2007-04-22 Richard Guenther <rguenther@suse.de>
1672
1673 PR tree-optimization/29789
1674 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1675 (rewrite_reciprocal): New helper split out from
1676 determine_invariantness_stmt.
1677 (rewrite_bittest): Likewise.
1678 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1679 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1680 is not.
1681
1682 2007-04-22 Revital Eres <eres@il.ibm.com>
1683
1684 * loop-unroll.c (var_to_expand): New field to support also
1685 insns of the form x = something + x.
1686 (analyze_insn_to_expand_var): Use it.
1687 (expand_var_during_unrolling): Likewise.
1688
1689 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
1690
1691 * predict.c: Include pointer-set.h.
1692 (bb_predictions): New variable.
1693 (tree_predicted_by_p, tree_predict_edge,
1694 remove_predictions_associated_with_edge): Use bb_predictions map
1695 instead of bb->predictions.
1696 (clear_bb_predictions, assert_is_empty): New functions.
1697 (combine_predictions_for_bb): Use bb_predictions map. Call
1698 clear_bb_predictions.
1699 (tree_estimate_probability): Create and free bb_predictions map.
1700 * Makefile.in (predict.o): Add pointer-set.h dependency.
1701 * basic-block.h (struct basic_block_def): Remove predictions
1702 field.
1703 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1704
1705 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
1706
1707 PR target/31480
1708 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1709 is null.
1710
1711 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1712
1713 * timevar.c (timevar_print): Change reference of --disable-checking to
1714 --enable-checking=release. Also warn if assert checking is disabled.
1715
1716 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1717
1718 PR C/30265
1719 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1720 decl as addressable if the compound literal was marked as
1721 addressable.
1722 Mark the decl as a gimple register if it is a complex or
1723 vector decl and does not live in memory.
1724
1725 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1726
1727 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1728 (GENERIC_NEXT): New function macro.
1729 (PHI_CHAIN): Use phi_node's new chain variable.
1730 (tree_phi_node): Change tree_common to tree_base
1731 and add the chain field.
1732 * tree-phinodes.c (make_phi_node): Don't set
1733 TREE_TYPE on the new node.
1734 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1735 instead of checking GIMPLE_TUPLE_P in chain_next.
1736 * tree-vect-transform.c
1737 (get_initial_def_for_induction): Look at
1738 PHI_RESULT_TREE for the type of the phi node.
1739 (update_vuses_to_preheader): Use PHI_CHAIN
1740 instead of TREE_CHAIN on the phi node.
1741 * tree-ssa-structalias.c (compute_points_to_sets):
1742 Likewise.
1743 (ipa_pta_execute): Likewise.
1744
1745 2007-04-21 Richard Guenther <rguenther@suse.de>
1746
1747 PR middle-end/31136
1748 * fold-const.c (fold_unary): Call fold_convert_const on the
1749 original tree.
1750
1751 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
1752
1753 * gcse.c (store_killed_in_insn): Handle PARALLELs.
1754 (store_killed_in_pat): New.
1755
1756 2007-04-20 Richard Henderson <rth@redhat.com>
1757
1758 PR target/31628
1759 * config/i386/i386.c (type_has_variadic_args_p): Look for any
1760 TREE_LIST with a void_type_node value, not void_list_node exactly.
1761
1762 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
1763
1764 * doc/standards.texi: Re-arrange into language-specific
1765 subsections. Add a C++ section, documenting which standards we
1766 support.
1767
1768 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
1769
1770 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1771 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1772
1773 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
1774
1775 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1776 ecrti.o and crtbegin.o.
1777 (LIB_DEFAULT_SPEC): Include -lc.
1778 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1779
1780 2007-04-20 Richard Henderson <rth@redhat.com>
1781
1782 PR target/28623
1783 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1784 argument; update all callers.
1785 (get_unaligned_offset): New.
1786 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1787 get_unaligned_address, just pass on the address directly.
1788 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1789 the subreg in the helper patterns.
1790 (unaligned_extendqidi_le): Use get_unaligned_offset.
1791 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1792 (unaligned_extendhidi_be): Likewise.
1793 (unaligned_extendhidi): Tidy.
1794 * config/alpha/alpha-protos.h: Update.
1795
1796 2007-04-20 Richard Henderson <rth@redhat.com>
1797
1798 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1799 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1800 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1801 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1802 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1803 (CPP_SPEC): Don't include %(cpp_subtarget).
1804 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1805 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1806 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1807
1808 2007-04-20 Jakub Jelinek <jakub@redhat.com>
1809
1810 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1811 for __builtin_ia32_cmpordss.
1812
1813 PR tree-optimization/31632
1814 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1815 and arg1 for optimizations of comparison against min/max values.
1816 Fold arg0 to arg1's type for optimizations of comparison against
1817 min+1 and max-1 values.
1818
1819 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
1820
1821 * reload.c (combine_reloads): When trying to use a dying register,
1822 check whether it's uninitialized and don't use if so.
1823
1824 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
1825
1826 * fold-const.c: Remove prototypes for native_encode_expr and
1827 native_interpret_expr.
1828 (native_encode_expr): Make non-static.
1829 (native_interpret_expr): Likewise.
1830 * tree.h: Add prototypes for the above.
1831
1832 2007-04-19 Joseph Myers <joseph@codesourcery.com>
1833
1834 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1835 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1836 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1837 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1838 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1839 Add length attributes.
1840
1841 2007-04-19 Janis Johnson <janis187@us.ibm.com>
1842
1843 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1844 not that it is 1.
1845
1846 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1847 __STDC_WANT_DEC_FP__.
1848
1849 2007-04-19 Joseph Myers <joseph@codesourcery.com>
1850
1851 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1852 for long double compatibility.
1853 * configure: Regenerate.
1854
1855 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1856
1857 PR rtl-optimization/29841
1858 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1859 trap instructions.
1860 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1861 that may cause control flow transfer from being moved.
1862
1863 2007-04-18 Jan Hubicka <jh@suse.cz>
1864
1865 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1866 types.
1867
1868 2007-04-18 Eric Christopher <echristo@apple.com>
1869
1870 * config/rs6000/darwin.md (load_macho_picbase): Use link register
1871 only. Update operands.
1872 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1873 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1874 link register to pic register.
1875
1876 2007-04-18 Dirk Mueller <dmueller@suse.de>
1877
1878 PR diagnostic/31227
1879 * tree-vrp.c (search_for_addr_array): New.
1880 (check_array_bounds): Suppress warning about
1881 address taken of array refs if its not de-referenced.
1882
1883 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1884
1885 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1886 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1887
1888 * tree-vectorizer.h (NITERS_KNOWN_P): New.
1889 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1890 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1891
1892 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1893 dump print.
1894 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
1895 print message.
1896 (vect_analyze_scalar_cycles): Fix indentation.
1897 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1898 (vect_mark_relevant): Include phis in relevance analysis.
1899
1900 * tree-vect-transform.c (vect_transform_loop): Add an assert.
1901
1902 2007-04-18 Anatoly Sokolov <aesok@post.ru>
1903
1904 * config/avr/avr.c (ptrreg_to_str): Replace error() with
1905 output_operand_lossage().
1906
1907 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1908
1909 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1910 the unused code for reduction without adjust-in-epilog to simplify the
1911 function.
1912
1913 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
1914
1915 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1916 (S390_TDC_NEGATIVE_ZERO): New constant.
1917 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1918 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1919 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1920 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1921 (S390_TDC_POSITIVE_INFINITY): New constant.
1922 (S390_TDC_NEGATIVE_INFINITY): New constant.
1923 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1924 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1925 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1926 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1927 (S390_TDC_INFINITY): New constant.
1928 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1929 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1930 optimization for UNSPEC_CCZ_TO_INT.
1931 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1932 ("*ccz_to_int"): New insn.
1933 ("isinf<mode>2"): New insn.
1934 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1935 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1936 (UNSPEC_CCZ_TO_INT): New constant.
1937
1938 2007-04-18 Richard Guenther <rguenther@suse.de>
1939
1940 PR tree-optimization/19431
1941 PR tree-optimization/21463
1942 * tree-pass.h (pass_phiprop): Declare.
1943 * passes.c (init_optimization_passes): New phiprop pass.
1944 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1945 (phivn_valid_p): New helper function.
1946 (phiprop_insert_phi): Likewise.
1947 (propagate_with_phi): Likewise.
1948 (tree_ssa_phiprop): New propagator propagating loads
1949 through phi nodes if profitable.
1950
1951 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1952
1953 * tree-vect-analyze.c (process_use): New function.
1954 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
1955 Check phis in all bbs.
1956 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
1957 assert.
1958
1959 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
1960
1961 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
1962 we use REG_EQUAL.
1963
1964 2007-04-17 Anatoly Sokolov <aesok@post.ru>
1965
1966 PR target/30483
1967 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
1968 error().
1969
1970 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
1971
1972 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
1973 on "0".
1974 (sse_vmmulv4sf3): Likewise.
1975 (sse2_vmaddv2df3): Likewise.
1976 (sse2_vmmulv2df3): Likewise.
1977
1978 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
1979
1980 PR rtl-optimization/31360
1981 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
1982 (target_reg_cost): New.
1983 (init_set_costs): Initialize target_reg_cost. Add comments
1984 regarding the rationale of the costs.
1985 (global_cost_for_size): Renamed to...
1986 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
1987 of register pressure.
1988 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
1989 estimate_reg_pressure_cost. Add number of ivs.
1990 (determine_set_costs): Dump target_reg_cost.
1991 * loop-invariant.c (gain_for_invariant): Use
1992 estimate_reg_pressure_cost. Removed n_inv_uses argument.
1993 (best_gain_for_invariant, find_invariants_to_move): Remove
1994 n_inv_uses.
1995 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
1996 (target_reg_cost): Declare.
1997 (global_cost_for_size): Declaration removed.
1998 (estimate_reg_pressure_cost): Declare.
1999
2000 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
2001
2002 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2003 regnos into even/odd register pairs.
2004 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2005 TDmode similar to the other floating point modes.
2006 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2007 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2008 define_expand's.
2009 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2010 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2011 (movdd_hardfloat64): Use TARGET_MFPGPR.
2012
2013 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
2014
2015 * reload1.c (delete_output_reload): Don't count output in n_inherited.
2016
2017 Revert
2018 2005-01-05 Richard Henderson <rth@redhat.com>
2019 PR rtl-opt/10692
2020 * reload1.c (do_input_reload): Restrict the optimization deleteing
2021 a previous output reload to RELOAD_FOR_INPUT.
2022
2023 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
2024
2025 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2026 induc_vec_info_type.
2027 (vectorizable_induction): New function declaration.
2028 * tree-vect-transform.c (get_initial_def_for_induction): No need to
2029 check if already vectorized. Find first place in BB where new stmts
2030 can be inserted. Takes only one argument.
2031 (vectorizable_induction): New function.
2032 (vect_transform_stmt): Add case for induc_vec_info_type to call
2033 vectorizable_induction.
2034 (vect_transform_loop): Consider phis for vectorization.
2035 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2036 condition.
2037 (analyze_operations): Call vectorizable_induction when analyzing phis.
2038 Fix comment.
2039 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2040 (vect_mark_relevant): Include phis in relevance analysis.
2041 (vect_mark_stmts_to_be_vectorize): Likewise.
2042 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2043
2044 2007-04-16 Lawrence Crowl <crowl@google.com>
2045
2046 * doc/invoke.texi (Debugging Options): Add documentation for the
2047 -femit-struct-debug options -femit-struct-debug-baseonly,
2048 -femit-struct-debug-reduced, and
2049 -femit-struct-debug-detailed[=...].
2050
2051 * c-opts.c (c_common_handle_option): Add
2052 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2053 and OPT_femit_struct_debug_detailed_.
2054 * c.opt: Add specifications for
2055 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2056 and -femit-struct-debug-detailed[=...].
2057 * opts.c (set_struct_debug_option): Parse the
2058 -femit-struct-debug-... options.
2059 * opts.c (matches_main_base, main_input_basename,
2060 main_input_baselength, base_of_path, matches_main_base): Add
2061 variables and functions to compare header base name to compilation
2062 unit base name.
2063 * opts.c (should_emit_struct_debug): Add to determine to emit a
2064 structure based on the option.
2065 (dump_struct_debug) Also disabled function to debug this
2066 function.
2067 * opts.c (handle_options): Save the base name of the
2068 compilation unit.
2069
2070 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2071 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2072 This hook indicates if a type is generic. Set it by default
2073 to "never generic".
2074 * langhooks.h (struct lang_hooks_for_types): Add a new hook
2075 to determine if a struct type is generic or not.
2076 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2077 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2078 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2079 with live C++ hook.
2080
2081 * flags.h (enum debug_info_usage): Add an enumeration to describe
2082 a program's use of a structure type.
2083 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2084 to indicate the program's usage of the type. Filter structs based
2085 on the -femit-struct-debug-... specification.
2086 (gen_type_die): Split into two routines, gen_type_die and
2087 gen_type_die_with_usage. gen_type_die is now a wrapper
2088 that assumes direct usage.
2089 (gen_type_die_with_usage): Replace calls to gen_type_die
2090 with gen_type_die_with_usage adding the program usage of
2091 the referenced type.
2092 (dwarf2out_imported_module_or_decl): Suppress struct debug
2093 information using should_emit_struct_debug when appropriate.
2094
2095 2007-04-16 Ian Lance Taylor <iant@google.com>
2096
2097 PR tree-optimization/31522
2098 * tree-vrp.c (vr_phi_edge_counts): New static variable.
2099 (vrp_initialize): Allocate vr_phi_edge_counts.
2100 (vrp_visit_phi_node): Don't push to infinity if we saw a new
2101 executable edge. Drop test for all constants.
2102 (vrp_finalize): Free vrp_phi_edge_counts.
2103
2104 * doc/cpp.texi (Common Predefined Macros): Clarify description of
2105 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2106
2107 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2108 predecessors at head rather than tail.
2109
2110 2007-04-16 Matthias Klose <doko@debian.org>
2111
2112 * config/alpha/linux.h (CPP_SPEC): Define.
2113 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2114
2115 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
2116
2117 * function.h: Remove sequence_stack extern declaration.
2118
2119 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2120
2121 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2122 TARGET_FIDOA.
2123 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2124 defined.
2125
2126 2007-04-16 Anatoly Sokolov <aesok@post.ru>
2127
2128 * config/avr/avr.c (avr_arch_types): Rearranging array.
2129 (enum avr_arch): Add.
2130 (avr_mcu_types): Use avr_arch enumeration constants instead of
2131 numbers.
2132 * config/avr/avr.h (LINK_SPEC): Simplify.
2133
2134 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2135
2136 * config/m68k/m68k.c (m68k_libcall_value,
2137 m68k_function_value): Use macros for register names more.
2138
2139 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2140 instead.
2141 (M68K_REGNAME): Use A6_REG.
2142 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2143
2144 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2145
2146 PR middle-end/28071
2147 * sched-int.h (struct deps): Split field 'pending_lists_length' into
2148 'pending_read_list_length' and 'pending_write_list_length'. Update
2149 comment.
2150 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
2151 to handle two length counters instead of one. Update all uses.
2152 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2153 two length counters instead of one.
2154 * sched-rgn.c (propagate_deps): Update to handle two length counters
2155 instead of one.
2156
2157 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
2158
2159 PR target/31582
2160 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2161 copy of source, pass it to ix86_expand_vector_set and return
2162 it as target.
2163
2164 2007-04-16 David Ung <davidu@mips.com>
2165 Joseph Myers <joseph@codesourcery.com>
2166
2167 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2168 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2169 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2170 Add 74K processor information.
2171 * config/mips/mips.md: Include 74k.md.
2172 (cpu): Add 74kc,74kf,74kx.
2173 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2174 * config/mips/74k.md: New.
2175 * doc/invoke.texi (MIPS Options): Document 74K support.
2176
2177 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
2178
2179 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2180 vectorizable_* functions.
2181 * tree-vect-transform.c (vectorizable_call): Add check for
2182 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2183 (vectorizable_store): likewise.
2184 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2185 Add comments.
2186 (vectorizable_operation, vectorizable_type_demotion): Likewise.
2187 (vectorizable_type_promotion, vectorizable_load): Likewise.
2188 (vectorizable_live_operation, vectorizable_condition): Likewise.
2189 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2190 STMT_VINFO_LIVE_P.
2191 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2192
2193 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2194
2195 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2196 register numbers more.
2197 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2198 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2199 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2200 FUNCTION_VALUE_REGNO_P): Likewise.
2201 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2202 STATIC_CHAIN_REGNUM): Likewise.
2203 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2204 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2205 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2206 * config/m68k/m68k.md (FP_REG): New.
2207
2208 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2209
2210 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2211 alignment on fido.
2212
2213 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2214
2215 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2216 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2217 comment typos.
2218
2219 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2220
2221 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2222 cold loops.
2223
2224 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2225
2226 PR c/31520
2227 * c-decl.c (finish_decl): Grab the type of the decl after the call
2228 to store_init_value.
2229
2230 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
2231
2232 * common.opt (fforward-propagate): Fix "Optimization" annotation.
2233
2234 2007-04-14 Jakub Jelinek <jakub@redhat.com>
2235
2236 PR c++/25874
2237 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2238 post dominators and cleanup cfg before returning.
2239
2240 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
2241
2242 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2243 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2244
2245 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
2246
2247 * config.gcc: Recognize fido.
2248 * config/m68k/m68k-devices.def (fidoa): New.
2249 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2250 __mfido__.
2251 (FL_FIDOA, TARGET_FIDOA): New.
2252 * config/m68k/m68k.opt (mfidoa): New.
2253
2254 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2255
2256 PR middle-end/31322
2257 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2258 when a personality function is used.
2259
2260 2007-04-13 Bob Wilson <bob.wilson@acm.org>
2261
2262 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2263
2264 2007-04-13 Mike Stump <mrs@apple.com>
2265
2266 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2267 we can...
2268 * config/darwin.opt (fapple-kext): Make C++ only.
2269 * config/darwin.c (darwin_override_options): Remove code to ensure
2270 -fapple-kext is given for C++ only.
2271
2272 2007-04-13 Richard Sandiford <richard@codesourcery.com>
2273
2274 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2275 * config/mips/mips.c (override_options): Call
2276 SUBTARGET_OVERRIDE_OPTIONS, if defined.
2277
2278 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2279
2280 * config/i386/i386.opt (msvr3-shlib): Removed.
2281
2282 * doc/invoke.texi: Remove -msvr3-shlib.
2283
2284 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2285
2286 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2287 with "popcnt" instruction.
2288
2289 2007-04-13 Richard Guenther <rguenther@suse.de>
2290
2291 PR tree-optimization/21258
2292 * tree-vrp.c (compare_case_labels): New helper.
2293 (find_switch_asserts): New function.
2294 (find_assert_locations): Call it for SWITCH_EXPRs.
2295
2296 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
2297
2298 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2299 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2300 check is now implied in X87_FLOAT_MODE_P.
2301 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2302 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2303 (fix_trunc<mode>_i386_fisttp): Ditto.
2304 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2305 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2306 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2307 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2308 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2309 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2310 (unnamed_splitters): Ditto.
2311 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2312 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
2313 FIRST_SSE_REG for local functions when SSE math is enabled or
2314 for functions with sseregparm attribute.
2315 (standard_80387_constant_p): Return -1 if mode is not
2316 X87_FLOAT_MODE_P.
2317 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2318 (ix86_expand_compare): Ditto.
2319 (ix86_expand_carry_flag_compare): Ditto.
2320 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2321 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2322 DECIMAL_FLOAT_MODE_P.
2323 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2324 of SCALAR_FLOAT_MODE_P.
2325 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2326 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2327 checks before FLOAT_MODE_P.
2328 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2329 before FLOAT_MODE_P.
2330 [DIV]: Ditto.
2331 [NEG]: Ditto.
2332 [ABS]: Ditto.
2333 [SQRT]: Ditto.
2334 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2335
2336 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
2337 Charles Wilson <libtool@cwilson.fastmail.fm>
2338
2339 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2340 (libgcc.mvars): Don't depend on them.
2341 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2342 * exec-tool.in: New.
2343
2344 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
2345
2346 * doc/invoke.text (--help): Document --help=common.
2347
2348 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
2349
2350 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2351
2352 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2353
2354 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2355 * genemit.c (main): Emit #include "integrate.h".
2356 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2357 (LOADGP_RTP): New mips_loadgp_style.
2358 * config/mips/mips.h: Include config/vxworks-dummy.h.
2359 (TARGET_RTP_PIC): New macro.
2360 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2361 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2362 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2363 for TARGET_RTP_PIC.
2364 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
2365 -mvxworks-pic when using -mrtp and a PIC option.
2366 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2367 for RTP PIC.
2368 (mips_symbolic_constant_p, mips_symbolic_address_p)
2369 (mips_symbol_insns): Handle SYMBOL_HALF.
2370 (override_options): Warn about -G and -mrtp being used together.
2371 Initialize mips_lo_relocs[SYMBOL_HALF].
2372 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2373 (mips_emit_loadgp): Handle LOADGP_RTP.
2374 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2375 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2376 (tablejump): Handle function-relative case table entries if
2377 TARGET_RTP_PIC.
2378 * config/mips/predicates.md (symbol_ref_operand): New predicate.
2379
2380 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2381
2382 * config/mips/mips.md (load_call<mode>): Allow any general register.
2383 destination.
2384 (sibcall_value_internal, sibcall_value_multiple_internal)
2385 (call_value_internal, call_value_split, call_value_multiple_internal)
2386 (call_value_multiple_split): Remove constraints from operand 0.
2387
2388 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2389
2390 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2391 rather than loadgp_noshared.
2392 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2393 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
2394 gen_loadgp.
2395 * config/mips/mips.md (loadgp): Rename to...
2396 (loadgp_newabi): ...this.
2397 (loadgp_noshared): Rename to...
2398 (loadgp_absolute): ...this.
2399
2400 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2401
2402 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2403 false for locally-binding symbols.
2404 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2405
2406 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2407
2408 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2409 (SYMBOL_GOT_PAGE_OFST): ...this.
2410 (SYMBOL_GOT_GLOBAL): Rename to...
2411 (SYMBOL_GOT_DISP): ...this.
2412 (SYMBOL_GOTOFF_GLOBAL): Rename to...
2413 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
2414 * config/mips/mips.c (mips_global_symbol_p): New function.
2415 (mips_symbol_binds_local_p): Likewise.
2416 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2417 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
2418 and mips_symbol_binds_local_p.
2419 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2420 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2421 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2422 SYMBOL_GOTOFF_DISP.
2423 (mips_ok_for_lazy_binding_p): New function.
2424 (mips_load_call_address, mips_expand_call): Use it.
2425 (mips_dangerous_for_la25_p): Likewise.
2426 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2427 (*got_disp<mode>): Use got_disp_operand instead of
2428 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
2429 SYMBOL_GOTOFF_GLOBAL.
2430 (*got_page<mode>): Use got_page_ofst_operand instead of
2431 local_got_operand.
2432 * config/mips/predicates.md (const_call_insn_operand): Use
2433 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2434 (global_got_operand): Rename to...
2435 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2436 SYMBOL_GOT_GLOBAL.
2437 (local_got_operand): Rename to...
2438 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2439 of SYMBOL_GOT_LOCAL.
2440
2441 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2442
2443 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2444 TARGET_CALL_CLOBBERED_GP.
2445 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2446 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2447 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2448 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2449 of TARGET_ABICALLS && !TARGET_NEWABI.
2450 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2451 * config/mips/mips.c (mips_load_call_address): Check
2452 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2453 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2454 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2455 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2456 TARGET_ABICALLS && TARGET_NEWABI.
2457 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2458 TARGET_ABICALLS.
2459 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2460 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2461 TARGET_ABICALLS && TARGET_NEWABI.
2462 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2463 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
2464 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
2465 whether indirect calls must use $25.
2466 (mips_extra_live_on_entry): Check TARGET_GOT instead of
2467 TARGET_ABICALLS.
2468 * config/mips/mips.md (jal_macro): Check flag_pic and
2469 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2470 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2471 instead of TARGET_ABICALLS.
2472 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2473 TARGET_ABICALLS && TARGET_OLDABI.
2474 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2475 (sibcall): In the comment above the define_insn, mention
2476 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2477 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2478 instead of TARGET_ABICALLS.
2479
2480 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
2481
2482 * doc/md.texi (Blackfin family constraints): Document PA and PB.
2483 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2484 (MACFLAGS_MATCH_P): New macro.
2485 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2486 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2487 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
2488 the other MACFLAG constants.
2489 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2490 (flag_machi): Tighten constraints. Renumber some of the operands.
2491 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
2492 output template.
2493 (flag_machi_parts_acconly): New pattern.
2494 (flag_macinithi): Tighten constraints. Allow any accumulator to be
2495 used.
2496 (flag_macinit1hi): Tighten constraints.
2497 (flag_mul_macv2hi_parts_acconly): New pattern.
2498
2499 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2500 Use a more efficient implementation.
2501 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2502 inline sequences when not optimizing for size.
2503
2504 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2505 movhi_high2low): Delete, merge functionality into...
2506 (packv2hi): ... this pattern.
2507
2508 2007-02-11 Jie Zhang <jie.zhang@analog.com>
2509 * config/bfin/bfin.opt (msim): New option.
2510 (mcpu=): New option.
2511 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2512 (bfin_cpu_t): Typedef of enum bfin_cpu.
2513 (bfin_cpu_type): New declaration.
2514 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2515 -msim and -mcpu= options.
2516 (LIB_SPEC): Likewise.
2517 * config/bfin/bfin.c (bfin_cpu_type): Define.
2518 (bfin_handle_option): Handle -mcpu= option.
2519 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2520 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2521 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2522
2523 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2524
2525 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2526 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2527 (powerpc-wrs-vxworksae): Use ${tm_file}.
2528 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2529 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
2530 * config/i386/vx-common.h: New file.
2531
2532 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2533
2534 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2535 of crt0.o%s.
2536
2537 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
2538
2539 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2540 ldxtr.
2541
2542 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
2543
2544 PR c++/31078
2545 PR c++/31103
2546 * c-common.c (c_build_qualified_type): Set canonical type
2547 appropriately.
2548
2549 2007-04-12 Richard Guenther <rguenther@suse.de>
2550
2551 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2552 lower bound and element size if lower bound is not zero
2553 or either of the ARRAY_REF operands is set.
2554
2555 2007-04-12 Richard Guenther <rguenther@suse.de>
2556
2557 PR tree-optimization/24689
2558 PR tree-optimization/31307
2559 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2560 indices by value.
2561 * gimplify.c (canonicalize_addr_expr): To be consistent with
2562 gimplify_compound_lval only set operands two and three of
2563 ARRAY_REFs if they are not gimple_min_invariant. This makes
2564 it never at this place.
2565 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2566
2567 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2568
2569 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2570 null before emitting a .nsubspa directive.
2571
2572 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2573
2574 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2575 need_to_partition_p if there are no memory statements in the
2576 function.
2577
2578 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2579
2580 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2581 (gcd_of_steps_may_divide_p): New function.
2582 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2583
2584 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
2585
2586 * reload.c (find_reloads_toplev, find_reloads_address,
2587 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2588 not a pointer equality test, to decide if we need to call
2589 push_reg_equiv_alt_mem.
2590
2591 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
2592
2593 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2594 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2595 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2596
2597 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2598
2599 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2600 vector to be positive.
2601
2602 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2603
2604 PR 30735
2605 PR 31090
2606 * doc/invoke.texi: Document --params max-aliased-vops and
2607 avg-aliased-vops.
2608 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2609 debug_memory_partitions): Move to tree-flow.h
2610 * params.h (AVG_ALIASED_VOPS): Define.
2611 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
2612 users.
2613 (mp_info_t): Likewise.
2614 (get_mem_sym_stats_for): New.
2615 (set_memory_partition): Move from tree-flow-inline.h.
2616 (mark_non_addressable): Only clear the set of symbols for the
2617 partition if it exists.
2618 (dump_memory_partitions): Move from tree-ssa-operands.c
2619 (debug_memory_partitions): Likewise.
2620 (need_to_partition_p): New.
2621 (dump_mem_ref_stats): New.
2622 (debug_mem_ref_stats): New.
2623 (dump_mem_sym_stats): New.
2624 (debug_mem_sym_stats): New.
2625 (update_mem_sym_stats_from_stmt): New.
2626 (compare_mp_info_entries): New.
2627 (mp_info_cmp): Call it.
2628 (sort_mp_info): Change argument to a list of mem_sym_stats_t
2629 objects.
2630 (get_mpt_for): Move from tree-ssa-operands.c.
2631 (find_partition_for): New.
2632 (create_partition_for): Remove.
2633 (estimate_vop_reduction): New.
2634 (update_reference_counts): New.
2635 (build_mp_info): New.
2636 (compute_memory_partitions): Refactor.
2637 Document new heuristic.
2638 Call build_mp_info, update_reference_counts,
2639 find_partition_for and estimate_vop_reduction.
2640 (compute_may_aliases): Populate virtual operands before
2641 calling debugging dumps.
2642 (delete_mem_sym_stats): New.
2643 (delete_mem_ref_stats): New.
2644 (init_mem_ref_stats): New.
2645 (init_alias_info): Call it.
2646 (maybe_create_global_var): Remove alias_info argument.
2647 Get number of call sites and number of pure/const call sites
2648 from gimple_mem_ref_stats().
2649 (dump_alias_info): Call dump_memory_partitions first.
2650 (dump_points_to_info_for): Show how many times a pointer has
2651 been dereferenced.
2652 * opts.c (decode_options): For -O2 set --param
2653 max-aliased-vops to 500.
2654 For -O3 set --param max-aliased-vops to 1000 and --param
2655 avg-aliased-vops to 3.
2656 * fortran/options.c (gfc_init_options): Remove assignment to
2657 MAX_ALIASED_VOPS.
2658 * tree-flow-inline.h (gimple_mem_ref_stats): New.
2659 * tree-dfa.c (dump_variable): Dump memory reference
2660 statistics.
2661 Dump NO_ALIAS* settings.
2662 (referenced_var_lookup): Tidy.
2663 (mem_sym_stats): New.
2664 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2665 and ORIG are different SSA names for a memory partition.
2666 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2667 * tree-flow.h (struct mem_sym_stats_d): Define.
2668 (mem_sym_stats_t): Define.
2669 (struct mem_ref_stats_d): Define.
2670 (struct gimple_df): Add field mem_ref_stats.
2671 (enum noalias_state): Define.
2672 (struct var_ann_d): Add bitfield noalias_state.
2673 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2674 debug_mem_ref_stats, debug_memory_partitions,
2675 debug_mem_sym_stats): Declare.
2676 * tree-ssa-structalias.c (update_alias_info): Update call
2677 sites, pure/const call sites and asm sites in structure
2678 returned by gimple_mem_ref_stats.
2679 Remove local variable IS_POTENTIAL_DEREF.
2680 Increase NUM_DEREFS if the memory expression is a potential
2681 dereference.
2682 Call update_mem_sym_stats_from_stmt.
2683 If the memory references memory, call
2684 update_mem_sym_stats_from_stmt for all the direct memory
2685 symbol references found.
2686 (intra_create_variable_infos): Set noalias_state field for
2687 pointer arguments according to the value of
2688 flag_argument_noalias.
2689 * tree-ssa-structalias.h (struct alias_info): Remove fields
2690 num_calls_found and num_pure_const_calls_found.
2691 (update_mem_sym_stats_from_stmt): Declare.
2692 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2693 Set default value to 100.
2694 (PARAM_AVG_ALIASED_VOPS): Define.
2695
2696 2007-04-11 Richard Guenther <rguenther@suse.de>
2697
2698 PR middle-end/31530
2699 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2700 a * -b + c as c - a * b if we honor sign dependent rounding.
2701
2702 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
2703
2704 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2705 bfin_expand_strmov.
2706 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2707 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2708 variables.
2709 (initialize_trampoline): Don't use old-style function definition.
2710 (bfin_secondary_reload): Mark IN_P argument as unused.
2711
2712 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
2713
2714 PR tree-optimization/31343
2715 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2716 (build_polynomial_chrec): Return a scalar when the evolution is zero.
2717 * testsuite/gcc.dg/vect/pr31343.c: New.
2718
2719 2007-04-10 Eric Christopher <echristo@apple.com>
2720
2721 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2722 * config/i386/i386.md (*cmpfp0): Use.
2723 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2724 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2725 (fix_trunc<mode>_i386_fisttp): Ditto.
2726 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2727 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2728 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2729 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2730 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2731 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2732 (unnamed_splitters): Ditto.
2733 * config/i386/i386.c (output_fix_trunc): Assert that
2734 we're not being passed a TFmode operand.
2735
2736 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
2737
2738 PR tree-optimization/31526
2739 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2740 n_basic_blocks to find newly added blocks.
2741
2742 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
2743
2744 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2745 alternative.
2746 (fix_trunc<mode>si_sse): Ditto.
2747 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2748 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2749 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2750 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2751 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2752 expander using SSEMODEF mode macro.
2753 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2754 expander using SSEMODEF mode macro.
2755 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2756 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2757 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2758 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2759 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2760 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2761 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2762 Macroize insn using X87MODEF mode macro.
2763
2764 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
2765
2766 * config/i386/sse.md (sse2_pinsrw): Removed.
2767 (sse2_pextrw): Renamed to ...
2768 (*sse2_pextrw): This.
2769
2770 2007-04-09 Jan Hubicka <jh@suse.cz>
2771
2772 PR target/27869
2773 * config/i386/sse.md
2774 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2775 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2776 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2777 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2778
2779 2007-04-09 Jan Hubicka <jh@suse.cz>
2780
2781 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2782 multiple fields of union.
2783
2784 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
2785
2786 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2787 (create_preheaders): Check that loops are available.
2788 (fix_loop_structure): Clean up, improve comments.
2789 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2790 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
2791 state flags.
2792 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2793 * predict.c (tree_estimate_probability): Do not call
2794 calculate_dominance_info. Call create_preheaders.
2795 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2796 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2797 flags.
2798 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2799 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2800 * tree-cfg.c (tree_split_edge): Make an assert more precise.
2801 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2802 arguments.
2803
2804 2007-04-08 Jan Hubicka <jh@suse.cz>
2805
2806 * tree.h (maybe_fold_offset_to_component_ref): Declare.
2807 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2808 * fold-const.c (fold_unary): Use it.
2809
2810 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
2811
2812 * varasm.c (assemble_variable): Remove call to
2813 lang_hooks.decls.prepare_assemble_variable.
2814 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2815 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2816 * langhooks.h (lang_hooks_for_decls): Remove
2817 prepare_assemble_variable.
2818
2819 2007-04-08 Mike Stump <mrs@apple.com>
2820
2821 * config/i386/i386.c: Use inc/dec on Core2.
2822
2823 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
2824
2825 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2826 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2827 lhd_tree_inlining_end_inlining): Remove.
2828 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2829 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2830 end_inlining hooks.
2831 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2832 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2833 lhd_tree_inlining_end_inlining): Remove prototypes.
2834 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2835 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2836 LANG_HOOKS_TREE_INLINING_START_INLINING,
2837 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2838
2839 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2840 not set it.
2841
2842 2007-04-08 Anatoly Sokolov <aesok@post.ru>
2843
2844 PR target/29932
2845 * config/avr/predicates.md (io_address_operand): Delete predicate.
2846 (low_io_address_operand): Don't use 'mode' argument.
2847 (higth_io_address_operand): Rename ...
2848 (high_io_address_operand): ... to this. Don't use 'mode' argument.
2849 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2850 for above change.
2851
2852 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
2853
2854 Revert change removing staticp.
2855
2856 2007-04-07 Anatoly Sokolov <aesok@post.ru>
2857
2858 PR target/30289
2859 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2860 earlyclobber.
2861
2862 2007-04-07 Bruce Korb <bkorb@gnu.org>
2863
2864 * c.opt: Add -Wformat-contains-nul.
2865 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
2866 -Wformat setting.
2867 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2868 the NUL byte warning.
2869
2870 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
2871
2872 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2873
2874 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2875
2876 * tree.c (staticp): No longer use staticp langhook.
2877 * langhooks.c (lhd_staticp): Removed.
2878 * langhooks.h (struct lang_hooks): Remove staticp.
2879 * c-common.c (c_staticp): Remove.
2880 * c-common.h (c_staticp): Ditto.
2881 * langhooks-defs.h (lhd_staticp): Ditto.
2882 (LHD_HOOKS_STATICP): Ditto
2883 * tree.h (gcc_assert_lowered): New macro.
2884
2885 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
2886
2887 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2888 argument "reliable".
2889 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2890 Add argument "reliable". Propagate it through calls.
2891 (infer_loop_bounds_from_undefined): Derive number of iterations
2892 estimates from references in blocks that do not dominate loop latch.
2893 (gcov_type_to_double_int): New function.
2894 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2895 and expected_loop_iterations_unbounded.
2896 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2897 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2898 * tree-data-ref.c (estimated_loop_iterations): Export.
2899 (get_references_in_stmt): Fix -- do not return addresses of local
2900 objects.
2901 * cfgloop.h (expected_loop_iterations_unbounded,
2902 estimated_loop_iterations): Declare.
2903
2904 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
2905
2906 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2907
2908 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2909
2910 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2911 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2912 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2913 Use output_387_reg_move().
2914 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2915 expander using X87MODEF12 mode macro.
2916 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2917 choosing register preferences. Use output_387_reg_move().
2918 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2919 instead of "x". Use output_387_reg_move().
2920 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2921 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
2922 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2923 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
2924 Use output_387_reg_move().
2925 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2926 mode macro.
2927 (*truncxf?f_i387 splitter): Ditto.
2928
2929 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2930
2931 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2932 LANG_HOOKS_SAFE_FROM_P.
2933 * expr.c (safe_from_p): Remove langhook call.
2934 * langhooks.h (lang_hooks): Remove safe_from_p.
2935 (lhd_safe_from_p): Remove prototype.
2936 * langhooks.c (lhd_safe_from_p): Remove.
2937
2938 2007-04-06 Jan Hubicka <jh@suse.cz>
2939
2940 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2941 functions.
2942
2943 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2944
2945 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2946 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2947 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2948 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
2949 alternative.
2950 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
2951 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
2952
2953 2007-04-05 Richard Henderson <rth@redhat.com>
2954
2955 * config/alpha/alpha.c (print_operand) [+]: Remove.
2956 (alpha_end_function): Print nop if call at end of function.
2957 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
2958 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
2959 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
2960 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
2961 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
2962 the call pattern. Update peepholes to match.
2963
2964 2007-04-05 Janis Johnson <janis187@us.ibm.com>
2965
2966 * doc/extend.texi (Other Builtins): Add decimal float variants
2967 of signbit.
2968 * builtins.def: Ditto.
2969 * builtins.c (expand_builtin): Ditto.
2970
2971 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
2972 H.J. Lu <hongjiu.lu@intel.com>
2973
2974 PR target/31478
2975 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
2976 of V8HImode when calling ix86_binary_operator_ok.
2977 (sse2_pmaddwd): Call ix86_binary_operator_ok.
2978 (sdot_prodv8hi): Operands 1 and 2 must be register.
2979
2980 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
2981
2982 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2983 initialize align to silence bogus warning.
2984
2985 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
2986
2987 PR middle-end/22156
2988 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
2989 all_no_warning.
2990 (struct sra_walk_fns): Remove use_all parameter from use.
2991 (sra_hash_tree): Handle BIT_FIELD_REFs.
2992 (sra_elt_hash): Don't hash bitfld blocks.
2993 (sra_elt_eq): Skip them in parent compares as well. Handle
2994 BIT_FIELD_REFs.
2995 (sra_walk_expr): Don't maintain or pass down use_all_p.
2996 (scan_use): Remove use_all parameter.
2997 (scalarize_use): Likewise. Re-expand assignment to
2998 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
2999 output, and re-scalarize after output. Don't mark anything
3000 for no warning.
3001 (scalarize_ldst): Adjust.
3002 (scalarize_walk_gimple_modify_statement): Likewise.
3003 (build_element_name_1): Handle BIT_FIELD_REFs.
3004 (instantiate_element): Don't warn for any element whose parent
3005 is used as a whole.
3006 (instantiate_missing_elements_1): Return the sra_elt.
3007 (canon_type_for_field): New.
3008 (try_instantiate_multiple_fields): New.
3009 (instantiate_missing_elemnts): Use them.
3010 (mark_no_warning): Removed.
3011 (generate_one_element_ref): Handle BIT_FIELD_REFs.
3012 (REPLDUP, sra_build_elt_assignment): New.
3013 (generate_copy_inout): Use them.
3014 (generate_element_copy): Likewise. Handle bitfld differences.
3015 (generate_element_zero): Don't recurse for blocks. Use
3016 sra_build_elt_assignment.
3017 (generate_one_element_int): Take elt instead of var. Use
3018 sra_build_elt_assignment.
3019 (generate_element_init_1): Adjust.
3020 (scalarize_use, scalarize_copy): Use REPLDUP.
3021 (scalarize_ldst): Move assert before dereference.
3022 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3023
3024 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3025
3026 * regmove.c: Fix unused variable warnings due to previous commit.
3027
3028 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3029
3030 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3031 (regmove_bb_head): Remove.
3032 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3033 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3034 problems with fixup_match_1.
3035 Don't initialize/free regmove_bb_head.
3036
3037 (reg_is_remote_constant_p): If an insn is in the same basic block
3038 but not before INSN, consider it remote, too.
3039
3040 2007-04-05 Anatoly Sokolov <aesok@post.ru>
3041
3042 PR target/25448
3043 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3044 DECL_ASSEMBLER_NAME, not the DECL_NAME.
3045
3046 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
3047
3048 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3049 (CONDITIONAL_REGISTER_USAGE): Likewise.
3050
3051 2007-04-04 Richard Henderson <rth@redhat.com>
3052
3053 * config/alpha/lib1funcs.asm: Remove unused file.
3054
3055 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3056
3057 PR other/31356
3058 * opts.c (print_specific_help): Fix --help=<language>
3059 header line.
3060 (common_handle_option): Support --help=common.
3061
3062 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3063
3064 PR other/31353
3065 * gcc.c (main): Do not run the linker if
3066 print_subprocess_help indicates that it shouldn't be
3067 run.
3068
3069 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3070
3071 PR doc/31355
3072 * doc/invoke.texi (--help=): Document <languages> value, fix
3073 formatting in tables of values.
3074
3075 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
3076
3077 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3078 dllimport attribute of virtual methods.
3079
3080 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
3081
3082 * config/score/crti.asm: Change _bss_start to __bss_start.
3083 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3084 (OUTGOING_REG_PARM_STACK_SPACE) update.
3085 * config/score/score.opt: add options to make backend support
3086 score5, score5u, score7 and score7d.
3087 * config/score/score.md: Likewise.
3088 * config/score/misc.md: Likewise.
3089 * config/score/mac.md: Likewise.
3090 * doc/invoke.texi: Likewise.
3091 * doc/md.texi: update constraints define.
3092
3093 2007-04-03 Richard Henderson <rth@redhat.com>
3094
3095 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3096 an appropriate type, use the mode instead.
3097
3098 2007-04-03 Richard Sandiford <richard@codesourcery.com>
3099
3100 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3101 Set the default --with-arch setting to mips2.
3102 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3103 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3104 (MULTILIB_OSDIRNAMES): Delete.
3105 (MULTILIB_DIRNAMES): Define.
3106 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3107 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3108 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3109 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
3110 VXWORKS_OS_CPP_BUILTINS.
3111 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3112 (MIPS_DEBUGGING_INFO): Undefine.
3113 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3114
3115 2007-04-03 Jakub Jelinek <jakub@redhat.com>
3116
3117 PR middle-end/30704
3118 * fold-const.c (native_encode_real): Encode real.c provided longs
3119 as a series of 32-bit native integers.
3120 (native_interpret_real): Interpret buffer as a series of 32-bit
3121 native integers.
3122
3123 2007-04-03 Richard Guenther <rguenther@suse.de>
3124
3125 * genpreds.c (write_insn_constraint_len): Write function
3126 optimized for CONSTRAINT_LEN implementation.
3127 (write_tm_preds_h): Output insn_constraint_len inline and
3128 use it for CONSTRAINT_LEN.
3129 (write_insn_preds_c): Don't output insn_constraint_len.
3130 * doc/md.texi (define_register_constraint): Document multi-letter
3131 constraints shall have the same length if they start with the same
3132 letter.
3133
3134 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3135
3136 PR target/31175
3137 * config/i386/i386.md (isinf<mode>2): Expand only when
3138 TARGET_C99_FUNCTIONS is set.
3139
3140 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3141
3142 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3143 (x86_64-*-linux*): Ditto.
3144 * config/i386/i386.opt (mpc): New option.
3145 * config/i386/i386.c (overrride_options): Handle
3146 ix87_precision_string.
3147 * config/i386/crtprec.c: New file.
3148 * config/i386/t-crtpc: Ditto.
3149 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3150 and -mpc80 options.
3151 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3152 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3153 crtprec32.o, crtprec64.o and crtprec80.o.
3154
3155 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3156 and -mpc80 options.
3157 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3158
3159 2007-04-02 Eric Christopher <echristo@apple.com>
3160
3161 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3162 limitations on darwin.
3163
3164 2007-04-02 Anatoly Sokolov <aesok@post.ru>
3165
3166 PR target/31137
3167 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3168
3169 2007-04-02 Dave Korn <dave.korn@artimi.com>
3170
3171 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3172
3173 2007-04-02 Dave Korn <dave.korn@artimi.com>
3174
3175 * libgcc2.h (exception_descriptor): Don't forward-declare.
3176 (__get_eh_table_language, __get_eh_table_version): Delete
3177 prototypes of long-dead functions.
3178
3179 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
3180
3181 * ebitmap.h: New file
3182 * ebitmap.c: New file
3183 * Makefile.in (ebitmap.o): New target.
3184
3185 2007-04-01 Jan Hubicka <jh@suse.cz>
3186
3187 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3188 before very first instruction.
3189
3190 2007-04-01 Jan Hubicka <jh@suse.cz>
3191
3192 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3193 waring on 64bit hosts.
3194 * bitmap.h: Fix typo in bitmap_head_def.
3195
3196 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
3197
3198 PR rtl-optimization/31391
3199 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3200 into a DELETED_LABEL note, and the label is in an empty basic
3201 block, update BB_END as well as BB_HEAD.
3202
3203 2007-04-01 Richard Henderson <rth@redhat.com>
3204
3205 PR tree-optimization/31169
3206 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3207 to varying if the range is outside [0, prec-1].
3208
3209 2007-04-01 Richard Sandiford <richard@codesourcery.com>
3210
3211 PR target/31388
3212 * config/mips/mips.md (load_const_gp): New insn.
3213 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3214 the MIPS16 GP pseudo register if no_new_pseudos.
3215 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3216
3217 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
3218
3219 PR target/31364
3220 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3221 secureplt.
3222 (call_value): Likewise.
3223
3224 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
3225 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3226
3227 PR 14737
3228 * doc/invoke.texi: (optimization options): Reword description
3229 of -ffast-math. Document its primary purpose.
3230
3231 2007-03-31 Richard Guenther <rguenther@suse.de>
3232
3233 * omp-low.c (splay-tree.h): Include.
3234 (lookup_decl): Replace splay-tree usage by pointer-map.
3235 (maybe_lookup_decl): Likewise.
3236 (new_omp_context): Likewise.
3237 (delete_omp_context): Likewise.
3238 * gimplify.c (splay-tree.h): Include.
3239 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3240 pointer-map.
3241 (remap_ssa_name): Likewise.
3242 (remap_decl): Likewise.
3243 (remap_type_1): Likewise.
3244 (remap_type): Likewise.
3245 (copy_body_r): Likewise.
3246 (expand_call_inline): Likewise.
3247 (clone_body): Likewise.
3248 (copy_tree_r): Likewise.
3249 (remap_save_expr): Likewise.
3250 (unsave_r): Likewise.
3251 (unsave_expr_now): Likewise.
3252 (tree_function_versioning): Likewise.
3253 (build_duplicate_type): Likewise.
3254 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3255 (struct copy_body_data): Replace splay-tree by pointer-map.
3256 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3257 not $(SPLAY_TREE_H).
3258 (gimplify.o): Depend on $(SPLAY_TREE_H).
3259 (omp-low.p): Likewise.
3260
3261 2007-03-31 Anatoly Sokolov <aesok@post.ru>
3262
3263 * config/avr/predicates.md (even_register_operand,
3264 odd_register_operand): New predicates.
3265 * config/avr/avr.md (movw peephole2): New.
3266 (movw_r peephole2): New.
3267
3268 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
3269
3270 * tree.h (get_signed_or_unsigned_type): New.
3271 * fold-const.c (operand_equal_for_comparison_p): Use
3272 get_signed_or_unsigned_type instead of
3273 lang_hooks.types.signed_or_unsigned_type.
3274 * expr.c (store_expr): Ditto.
3275 * langhooks.c (get_signed_or_unsigned_type): New.
3276 (lhd_signed_or_unsigned_type): New.
3277 * langhooks.h (lhd_signed_or_unsigned_type): New.
3278 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3279
3280 2007-03-30 Richard Henderson <rth@redhat.com>
3281
3282 * tree-ssa-loop-ivopts.c: Include target.h.
3283 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3284 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3285 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3286 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3287
3288 2007-03-30 Richard Henderson <rth@redhat.com>
3289 Kai Tietz <kai.tietz@onevision.com>
3290
3291 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3292 default for 64-bit.
3293 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3294 (TARGET_64BIT_MS_ABI): New.
3295 (DBX_REGISTER_NUMBER): Handle 64-bit.
3296 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3297 (LONG_TYPE_SIZE): Force to 32.
3298 (REG_PARM_STACK_SPACE): New.
3299 (OUTGOING_REG_PARM_STACK_SPACE): New.
3300 (REGPARM_MAX, SSE_REGPARM_MAX): New.
3301 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3302 (STACK_BOUNDARY): Use 128 for 64-bit.
3303 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3304 Add 64-bit implementation.
3305 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3306 argument unused.
3307 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3308 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3309 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3310 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3311 (ix86_handle_cconv_attribute): Don't warn when ignoring if
3312 TARGET_64BIT_MS_ABI.
3313 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3314 (ix86_pass_by_reference): Likewise.
3315 (ix86_function_value_regno_p): Likewise.
3316 (ix86_build_builtin_va_list): Likewise.
3317 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3318 (function_arg_advance_ms_64): New.
3319 (function_arg_advance): Call it.
3320 (function_arg_ms_64): New.
3321 (function_arg): Call it.
3322 (function_value_ms_64): New.
3323 (ix86_function_value_1): Call it.
3324 (return_in_memory_ms_64): New.
3325 (ix86_return_in_memory): Call it.
3326 (setup_incoming_varargs_ms_64): New.
3327 (ix86_setup_incoming_varargs): Call it.
3328 (ix86_expand_prologue): Handle 64-bit stack probing.
3329 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3330 (output_pic_addr_const): Likewise.
3331 (x86_this_parameter): Likewise.
3332 (x86_output_mi_thunk): Likewise.
3333 (x86_function_profiler): Likewise.
3334 (TARGET_STRICT_ARGUMENT_NAMING): New.
3335 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3336 (TARGET_64BIT_MS_ABI): New.
3337 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3338 * config/i386/i386.md (allocate_stack_worker): Remove.
3339 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3340 describe the clobber of eax without a match_scratch.
3341 (allocate_stack_worker_postreload): Remove.
3342 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3343 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3344 (allocate_stack_worker_rex64_postreload): Remove.
3345 (allocate_stack): Handle 64-bit.
3346 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3347 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3348 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3349 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3350 (STANDARD_STARTFILE_PREFIX_1): Likewise.
3351 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3352 * config.build (x86_64-*-mingw*): New host.
3353 * config.host (x86_64-*-mingw*): New host.
3354 * config.gcc (x86_64-*-mingw*): New target.
3355 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3356
3357 2007-03-30 Richard Henderson <rth@redhat.com>
3358 Kai Tietz <kai.tietz@onevision.com>
3359
3360 * c-pragma.c (struct def_pragma_macro_value): New.
3361 (struct def_pragma_macro): New.
3362 (pushed_macro_table): New.
3363 (dpm_hash, dpm_eq): New.
3364 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3365 (init_pragma): Install them.
3366 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3367
3368 2007-03-30 Anatoly Sokolov <aesok@post.ru>
3369
3370 * config/avr/avr.c (avr_override_options): Clear
3371 'flag_delete_null_pointer_checks'.
3372
3373 2007-03-30 Paolo Carlini <pcarlini@suse.de>
3374
3375 PR c++/26099
3376 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3377 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3378 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3379 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3380 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3381 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3382 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3383 C++ extensions.
3384 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3385
3386 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
3387
3388 * regmove.c: Move all of pass_stack_adjustments from here...
3389 * combine-stack-adj.c: ...to this new file.
3390 * Makefile.in: Add rules for combine-stack-adj.o.
3391
3392 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
3393
3394 PR tree-optimization/31383
3395 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3396 to have the same length.
3397
3398 2007-03-30 Jan Hubicka <jh@suse.cz>
3399
3400 PR middle-end/30700
3401 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3402 availablility; add more sanity checking; ask varpool only about
3403 VAR_DECL.
3404
3405 2007-03-29 Richard Henderson <rth@redhat.com>
3406
3407 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3408 to decide, but __SIZEOF_LONG_LONG__.
3409
3410 2007-03-29 Richard Henderson <rth@redhat.com>
3411
3412 * emutls.c (struct __emutls_array): New.
3413 (emutls_destroy): Use it instead of casting element 0 from void*.
3414 (__emutls_get_address): Likewise.
3415
3416 2007-03-29 Richard Henderson <rth@redhat.com>
3417
3418 * varasm.c (initializer_constant_valid_p): Don't deny
3419 DECL_DLLIMPORT_P on functions.
3420
3421 * config/i386/cygming.h: Remove function declarations.
3422 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3423 (ASM_OUTPUT_LABELREF): Remove.
3424 (COMMON_ASM_OP): Remove.
3425 (ASM_OUTPUT_COMMON): Remove.
3426 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3427 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3428 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3429 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3430 Rename from TARGET_ENCODE_SECTION_INFO.
3431 * config/i386/netware.h: Likewise.
3432 * config/i386/i386-protos.h: Update.
3433 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3434 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3435 (legitimate_constant_p): Reject dllimports.
3436 (dllimport_map, get_dllimport_decl): New.
3437 (legitimize_dllimport_symbol): New.
3438 (legitimize_address, ix86_expand_move): Use it.
3439 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3440 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3441 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3442 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3443 * config/i386/predicates.md (constant_call_address_operand): Only
3444 accept symbols; reject dllimport_p symbols.
3445 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3446 i386_pe_maybe_record_exported_symbol.
3447 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3448 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3449 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3450 trust the setting of DECL_DLLIMPORT_P.
3451 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3452 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3453 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3454 tidy the argument scanning loop.
3455 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3456 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3457 (i386_pe_strip_name_encoding): Remove.
3458 (i386_pe_binds_local_p): New.
3459 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3460 (i386_pe_output_labelref): Remove.
3461 (i386_pe_asm_output_aligned_decl_common): New.
3462 (i386_pe_maybe_record_exported_symbol): Rename from
3463 i386_pe_record_exported_symbol; check for dllexported symbols.
3464
3465 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
3466
3467 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3468 add comment explaining why vsnprintf cannot be used.
3469
3470 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
3471
3472 PR tree-optimization/30666
3473 * tree.c (build_complex_type): When creating type names for DWARF2
3474 debug info, create TYPE_DECLs for TYPE_NAME instead of
3475 IDENTIFIER_NODEs.
3476 (build_common_tree_nodes_2): Use build_complex_type when building
3477 predefined complex types, to preserve canonical types.
3478
3479 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
3480
3481 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3482 (noce_get_alt_condition): Look at it to determine whether to
3483 reverse the condition or not.
3484 (noce_get_condition): Substitute the truth for lies.
3485 (noce_find_if_block): Set the then_else_reversed field.
3486
3487 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
3488
3489 * config/fr30/fr30.md (movdi): Do not accept immediates as the
3490 destination of this insn.
3491 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3492 than calling gen_rtx_SET directly. Use r0 to hold the value of
3493 'address + 4' rather than a stack based temporary which can be
3494 mis-optimized away.
3495
3496 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3497
3498 * config/s390/s390.c (s390_secondary_input_reload_class,
3499 s390_secondary_output_reload_class): Functions removed.
3500 (s390_secondary_reload): New function.
3501 (TARGET_SECONDARY_RELOAD): Target macro defined.
3502 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3503 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3504 * config/s390/s390.md ("reload_outti", "reload_outdi",
3505 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3506 "reload_out<mode>"): Expanders removed.
3507 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3508 "reload<mode>_nonoffmem_out"): Expanders added.
3509
3510 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3511
3512 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3513 SRC->DEST replacement failed anyway.
3514
3515 2007-03-28 Mike Stump <mrs@apple.com>
3516
3517 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3518 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3519 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3520
3521 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3522
3523 * config.gcc: Accept barcelona as a variant of amdfam10.
3524 * config/i386/i386.c (override_options): Likewise.
3525 * doc/invoke.texi: Likewise.
3526
3527 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
3528
3529 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3530 offsets for BIT_FIELD_REF and COMPONENT_REF.
3531
3532 2007-03-28 Richard Guenther <rguenther@suse.de>
3533
3534 * tree.c (is_global_var): Move ...
3535 * tree-flow-inline.h (is_global_var): ... here.
3536 * tree.h (is_global_var): Remove declaration.
3537
3538 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
3539
3540 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3541 option.
3542 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3543 * config/i386/i386.c (ix86_tune_features): Initialize new
3544 tuning option.
3545 * config/i386/predicates.md (promotable_binary_operator): Use
3546 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3547
3548 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3549
3550 PR target/31380
3551 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3552
3553 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
3554
3555 * config/fr30/fr30.md (movsi_internal): Change destination
3556 constraint from m to V and add m to the end.
3557
3558 2007-03-28 Christian Bruel <christian.bruel@st.com>
3559
3560 * config/sh/sh.md (movsi_i): Fix type attribute.
3561
3562 2007-03-28 Christian Bruel <christian.bruel@st.com>
3563
3564 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3565 (movsf_ie): Likewise.
3566
3567 2007-03-28 Christian Bruel <christian.bruel@st.com>
3568
3569 * config.gcc: Add sh4-300 to multilib.
3570 * config/sh/t-mlib-sh4-300: New file.
3571
3572 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
3573
3574 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3575 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3576 fix_trunc<mode>di2.
3577 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3578 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3579 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3580 "fixuns_trunctddi2"): Whitespace fix.
3581
3582 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3583
3584 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3585 the definition of struct sh_args.
3586 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3587 CALL_COOKIE_INT_REG_GET): Likewise.
3588
3589 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
3590
3591 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3592 transformations are applied successfully.
3593
3594 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
3595
3596 * tree.c (tree_contains_struct): Permit 512 tree codes.
3597 * tree.h (tree_contains_struct): Ditto.
3598 (MAX_TREE_CODES): Ditto.
3599 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3600 SPARE member to store remaining padding bits.
3601
3602 2007-03-27 Anatoly Sokolov <aesok@post.ru>
3603
3604 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3605 architecture.
3606
3607 2007-03-27 Janis Johnson <janis187@us.ibm.com>
3608
3609 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3610 * configure: Regenerate.
3611
3612 * configure: Regenerate using the correct version of autoconf.
3613
3614 2007-03-27 Anatoly Sokolov <aesok@post.ru>
3615
3616 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3617 pointer regs.
3618 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3619 regs to "__SP_L__" and "__SP_H__".
3620
3621 2007-03-27 Richard Guenther <rguenther@suse.de>
3622
3623 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3624 computations with it with a HOST_WIDE_INT variable.
3625
3626 2007-03-26 Mike Stump <mrs@apple.com>
3627
3628 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3629 objective-c-header, objective-c++-header and objc++-cpp-output
3630 support.
3631 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3632
3633 2007-03-26 Richard Henderson <rth@redhat.com>
3634
3635 PR target/31361
3636 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3637 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3638 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3639 IX86_BUILTIN_PSRLQ128): New.
3640 (ix86_init_mmx_sse_builtins): Add them.
3641 (ix86_expand_builtin): Expand them.
3642 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3643 operand 2 be TImode.
3644 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3645 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3646 _mm_srli_epi64): Mark __B const.
3647 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3648 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3649 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3650 new two-vector shift builtins.
3651
3652 2007-03-26 Ian Lance Taylor <iant@google.com>
3653
3654 PR tree-optimization/31345
3655 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3656 [+INF, +INF(OVF)] into VARYING.
3657
3658 2007-03-26 Zack Weinberg <zackw@panix.com>
3659
3660 * gengtype-parse.c: New file.
3661 * gengtype-yacc.y: Delete.
3662 * gengtype-lex.l: Don't include gengtype-yacc.h.
3663 Define YY_DECL and yyterminate appropriately for recursive
3664 descent parser. yylval is now a string out-parameter to yylex.
3665 (HWS, EOID): New shorthand.
3666 (IWORD): Add a couple more types.
3667 (yylex): Add a setup stanza. Remove the complex rules for
3668 detecting GTY'ed types and typedefs; replace with simple
3669 keyword detectors. Adjust everything for the changed
3670 definition of yylval. Ignore all pp-directives, not just #define.
3671 (yyerror): Delete.
3672 (parse_file): Rename yybegin; do not call yyparse.
3673 (yyend): New.
3674 * gengtype.c (xasprintf): Export again.
3675 (this_file): New. Use everywhere __FILE__ was being used.
3676 (get_lang_bitmap): Special case types defined in gengtype.c.
3677 (do_typedef, new_structure): Suppress definition of certain types.
3678 (new_structure): Improve diagnostics of duplicate definitions.
3679 Make sure location_s is associated with input.h.
3680 (nreverse_pairs, define_location_structures): New functions.
3681 (main): Improve tagging of kludge types. Remove old kludges
3682 for input.h types; use define_location_structures.
3683 * gengtype.h: Update prototypes. Define token codes here.
3684 * Makefile.in: Remove all references to gengtype-yacc.
3685 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
3686 and gengtype.
3687 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3688 add GTY((skip)) to the field that's only conditionally there.
3689 * doc/install.texi: Document that Bison is no longer required
3690 unless building treelang.
3691
3692 * gengtype.c: Don't include gtyp-gen.h.
3693 (srcdir): Declare here.
3694 (base_files, lang_dir_names): Allocate dynamically.
3695 (gt_files, num_gt_files, num_lang_dirs): New globals.
3696 (measure_input_list, read_input_line, read_input_list)
3697 (set_lang_bitmap): New functions.
3698 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3699 simplify, relying on read_input_list to set up the bitmaps.
3700 (main): Arguments are no longer unused. Check for correct number
3701 of command line arguments, set srcdir and srcdir_len, then call
3702 read_input_list, before doing anything else. No need to worry
3703 about duplicates in main loop.
3704 * configure.ac: Simplify the calculation of all_gtfiles.
3705 Put language tags in there. Don't set or substitute
3706 all_gtfiles_files_langs or all_gtfiles_files_frags.
3707 * Makefile.in: Revamp the way gengtype is invoked, now that it
3708 takes a file on its command line with a much simpler format.
3709 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3710 (GTFILES): Remove duplicates and C source files.
3711 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3712 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3713 * configure: Regenerate.
3714
3715 * gengtype.h: Remove all type definitions to gengtype.c; leave
3716 only definitions of options_p, type_p, and pair_p as opaque
3717 pointers. Update prototypes.
3718 * gengtype.c: Many type definitions moved here from gengtype.h.
3719 Consolidate type definitions at the top of the file.
3720 (xvasprintf): Delete.
3721 (xasprintf): Make static.
3722 (create_nested_pointer_option): Add 'next' parameter.
3723 (create_field_all, create_field_at): New functions.
3724 (create_field): Now a thin wrapper around create_field_all.
3725 (create_optional_field): Rename create_optional_field_ and add
3726 line argument. Original name is now a macro which supplies
3727 __LINE__.
3728 (oprintf): Use vsnprintf directly.
3729 (close_output_files): Use fatal rather than perror/exit.
3730 (note_def_vec, note_def_vec_alloc): Use create_field_at.
3731 (main): Set progname. Don't use exit.
3732 * gengtype-yacc.y (struct_fields): Use create_field_at.
3733 (option, optionseqopt): Delete.
3734 (optionseq): Consolidate productions from option here so we
3735 can use the first argument to create_option.
3736
3737 * gengtype-lex.l: Distinguish unions from structures in the
3738 token type. Don't call find_structure; return the tag as a string.
3739 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3740 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3741 Reorganize typedef_struct production accordingly.
3742 Use create_nested_ptr_option.
3743 * gengtype.c (create_nested_ptr_option): New function.
3744 * gengtype.h: Declare it.
3745
3746 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3747 (string_type): Don't declare.
3748 (do_scalar_typedef): Declare.
3749 (create_scalar_type): Update prototype.
3750 * gengtype.c (string_type): Make static.
3751 (scalar_nonchar, scalar_char): New.
3752 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
3753 (resolve_typedef): Use scalar_nonchar for error recovery.
3754 (create_scalar_type): Remove name_len field. Return scalar_char
3755 or scalar_nonchar as appropriate.
3756 (adjust_field_type): Look at scalar_is_char boolean to decide whether
3757 to use string_type.
3758 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3759 whenever possible.
3760 (main): Initialize scalar_char and scalar_nonchar before calling
3761 gen_rtx_next.
3762 * gengtype-lex.l: Adjust for removal of second argument to
3763 create_scalar_type. Use yylval.s instead of yylval.t when
3764 returning SCALAR.
3765 * gengtype-yacc.y: Type of SCALAR is string. Call
3766 create_scalar_type from type:SCALAR rule. Adjust for removal of
3767 second argument to create_scalar_type.
3768
3769 * vec.h: Remove all #if IN_GENGTYPE blocks.
3770 Add comment saying that changes may require adjustments to gengtype.
3771 * gengtype.c: Don't include coretypes.h or tm.h.
3772 Add comment to inclusion of errors.h.
3773 (note_def_vec, note_def_vec_alloc): New functions.
3774 * gengtype.h: Declare new functions.
3775 * gengtype-lex.l: Don't include coretypes.h.
3776 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3777 Delete.
3778 (update_lineno): Remove unnecessary prototype.
3779 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3780 (VEC rule): Just return VEC_TOKEN.
3781 * gengtype-yacc.y (VEC_TOKEN): New token type.
3782 (type): Add a production for VEC(a,b).
3783 * Makefile.in: Update dependencies.
3784
3785 * gengtype-lex.l: Remove rules for parsing pointer-to-function
3786 typedefs that use the old PARAMS macro.
3787
3788 * gengtype-lex.l: Remove all rules and states relating to yacc
3789 input files.
3790 * gengtype-yacc.y: Similarly.
3791 * gengtype.c (note_yacc_type): Delete function.
3792 * gengtype.h: Update prototypes.
3793
3794 2007-03-26 Joseph Myers <joseph@codesourcery.com>
3795
3796 * tree-pretty-print.c (dump_generic_node): Report precision of
3797 unnamed integer types.
3798
3799 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
3800
3801 * ifcvt.c (noce_try_store_flag_constants): Don't check
3802 no_new_pseudos here.
3803 (noce_try_store_flag_constants): Don't check no_new_pseudos.
3804 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3805 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3806 noce_try_sign_mask): Likewise.
3807 (if_convert): Check no_new_pseudos here.
3808
3809 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3810 Remove prototypes.
3811 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3812 (noce_get_condition): Handle new then_else_reversed argument.
3813 (noce_init_if_info): Remove, fold into noce_find_if_block.
3814 (noce_process_if_block): Take a struct noce_if_info as the
3815 argument. Don't set up one based on ce_if_info. Update pointer
3816 references accordingly.
3817 (cond_move_process_if_block): Likewise.
3818 (process_if_block): Removed.
3819 (find_if_block): Removed. Move functionality two new functions,
3820 noce_find_if_block and cond_exec_find_if_block.
3821 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
3822 blocks and the symmetric IF-ELSE-JOIN case.
3823 (cond_exec_find_if_block): Also new function mostly based on old
3824 find_if_block and process_if_block.
3825 (find_if_header): Replace find_if_block call with separately
3826 guarded calls to noce_find_if_block and cond_exec_find_if_block.
3827 (find_cond_trap): Update noce_get_condition call.
3828 (dead_or_predicable): Likewise.
3829
3830 2007-03-26 Jakub Jelinek <jakub@redhat.com>
3831
3832 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3833 Remove.
3834 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3835 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3836 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3837 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3838 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
3839 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3840 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3841 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3842 __builtin_ia32_psrad128 builtins.
3843
3844 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
3845
3846 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3847 * config/i386/constraints.md
3848 (define_constraint "I"): Use IN_RANGE macro.
3849 (define_constraint "J"): Ditto.
3850 (define_constraint "K"): Ditto.
3851 (define_constraint "M"): Ditto.
3852 (define_constraint "N"): Ditto.
3853 (define_constraint "O"): Ditto.
3854 * config/i386/predicates.md
3855 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3856 (define_predicate "const_0_to_3_operand"): Ditto.
3857 (define_predicate "const_0_to_7_operand"): Ditto.
3858 (define_predicate "const_0_to_15_operand"): Ditto.
3859 (define_predicate "const_0_to_63_operand"): Ditto.
3860 (define_predicate "const_0_to_255_operand"): Ditto.
3861 (define_predicate "const_1_to_31_operand"): Ditto.
3862 (define_predicate "const_2_to_3_operand"): Ditto.
3863 (define_predicate "const_4_to_7_operand"): Ditto.
3864
3865 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3866
3867 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3868 in SImode for save_world.
3869 * config/rs6000/altivec.md (save_world, restore_world): Convert to
3870 LR hard reg.
3871
3872 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
3873
3874 PR tree-optimization/30784
3875 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3876 BIT_FIELD_REF.
3877
3878 2007-03-25 Revital Eres <eres@il.ibm.com>
3879
3880 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3881 Fold movement_possibility function into it.
3882
3883 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3884
3885 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3886 (load_macho_picbase_{si,di}): Convert to LR hard reg.
3887 (call_indirect_nonlocal_darwin64): Same.
3888 (call_nonlocal_darwin64): Same.
3889 (call_value_indirect_nonlocal_darwin64): Same.
3890 (call_value_nonlocal_darwin64): Same.
3891 (sibcall_nonlocal_darwin64): Same.
3892 (sibcall_value_nonlocal_darwin64): Same.
3893 (sibcall_symbolic_64): Same.
3894 (sibcall_value_symbolic_64): Same.
3895 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3896 LR pseudo.
3897 (rs6000_emit_load_toc_table): Same.
3898 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3899 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3900 (mull_call): Same.
3901 (divss_call): Same.
3902 (divus_call): Same.
3903 (quoss_call): Same.
3904 (quous_call): Same.
3905 (load_toc_v4_pic_si): Same
3906 (load_toc_v4_PIC_1): Same.
3907 (load_toc_v4_PIC_1b): Same.
3908 (call_indirect_aix{32,64}): Same.
3909 (call_value_indirect_aix{32,64}): Same.
3910 (call): Same.
3911 (call_value): Same.
3912 (call_local{32,64}): Same.
3913 (call_value_local{32,64}): Same.
3914 (call_indirect_nonlocal_aix{32,64}): Same.
3915 (call_nonlocal_aix{32,64}): Same.
3916 (call_value_indirect_nonlocal_aix{32,64}): Same.
3917 (call_value_nonlocal_aix{32,64}): Same.
3918 (call_indirect_nonlocal_sysv<mode>): Same.
3919 (call_nonlocal_sysv<mode>): Same.
3920 (call_value_indirect_nonlocal_sysv<mode>): Same.
3921 (call_value_nonlocal_sysv<mode>): Same.
3922 (sibcall): Same.
3923 (sibcall_local{32,64}): Same.
3924 (sibcall_value_local{32,64}): Same.
3925 (sibcall_nonlocal_aix{32,64}): Same.
3926 (sibcall_value_nonlocal_aix{32,64}): Same.
3927 (sibcall_nonlocal_sysv<mode>): Same.
3928 (sibcall_value): Same.
3929 (sibcall_value_nonlocal_sysv<mode>): Same.
3930
3931 2007-03-24 Paul Brook <paul@codesourcery.com>
3932
3933 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3934 * config/arm/linux-eabi.h: Remove legacy syscall hack.
3935
3936 2007-03-24 Richard Henderson <rth@redhat.com>
3937
3938 * config/ia64/constraints.md: New file.
3939 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3940 satisfies_constraint_?.
3941 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3942 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3943 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3944 ia64_output_mi_thunk): Likewise.
3945 (ia64_const_ok_for_letter_p): Remove.
3946 (ia64_const_double_ok_for_letter_p): Remove.
3947 (ia64_extra_constraint): Remove.
3948 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3949 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
3950 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
3951 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
3952 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
3953 EXTRA_MEMORY_CONSTRAINT): Remove.
3954 * config/ia64/ia64.md: Include constriants.md. Replace
3955 CONST_OK_FOR_? with satisfies_constraint_?.
3956
3957 2007-03-23 Michael Meissner <michael.meissner@amd.com>
3958 H.J. Lu <hongjiu.lu@intel.com>
3959
3960 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
3961 DPD or BID name.
3962 (name macros): Use DPD_BID_NAME to convert names properly.
3963
3964 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
3965 decimal floating point format.
3966 (init_floating_libfuncs): Change decimal functions so that they
3967 have a "bid_" prefix if the decimal system uses the BID format,
3968 and "dpd_" prefix if the decimal system uses the DPD format.
3969 (init_interclass_conv_libfuncs): Ditto.
3970 (init_intraclass_conv_libfuncs): Ditto.
3971
3972 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3973 using the BID format.
3974
3975 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3976 whether we are using the BID decimal format.
3977 * configure: Regenerate.
3978
3979 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3980 the compiler has decimal floating point enabled. Define
3981 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3982 instead of DPD.
3983
3984 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
3985 using the BID format.
3986
3987 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
3988 whether we are using the BID decimal format.
3989 * configure: Regenerate.
3990
3991 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
3992 the compiler has decimal floating point enabled. Define
3993 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
3994 instead of DPD.
3995
3996 * doc/install.texi (--enable-decimal-float): Document BID and DPD
3997 options, and that it is enabled for i386/x86_64 systems.
3998
3999 * Makefile.in (enable_decimal_float): New.
4000 (DECNUMFMT): New.
4001 (DECNUMINC): Add -I$(DECNUMFMT).
4002 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4003 to $(DECNUMFMT) from $(DECNUM).
4004
4005 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4006 Substitute enable_decimal_float.
4007 * configure: Regenerated.
4008
4009 PR other/30529
4010 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4011 unsigned long.
4012
4013 * configure.ac: Enable decimal float for x86_64-*-linux*.
4014 * configure: Regenerated.
4015
4016 PR other/30530
4017 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4018 decimal128ClearSign to flip and clear the sign bit in decimal128.
4019 (decimal_real_maxval): Set decimal128SetSign to set the sign
4020 bit in decimal128.
4021
4022 2007-03-23 Ian Lance Taylor <iant@google.com>
4023
4024 * fold-const.c (fold_binary): Correct warning for X - c >= X.
4025
4026 2007-03-23 Ian Lance Taylor <iant@google.com>
4027
4028 * tree-dump.c (dump_files): Correct comment.
4029
4030 2007-03-23 Ian Lance Taylor <iant@google.com>
4031
4032 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4033
4034 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
4035
4036 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
4037 in cfglayout mode. Don't go into and out of cfglayout mode.
4038 Link the blocks in the order of the constructed traces.
4039 (rest_of_handle_tracer): Adjust call to tracer.
4040 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4041 Don't go into cfglayout mode.
4042 (rtl_loop_done): Don't go out of cfglayout mode.
4043 * cfglayout.c (relink_block_chain): New function, split out from...
4044 (fixup_reorder_chain): ...here. Remove redundant checking.
4045 (cfg_layout_finalize): Don't clear the header, footer, and aux
4046 fields here, move the code to do so to relink_block_chain. Likewise
4047 for free_original_copy_tables.
4048 * rtl.h (tracer): Update prototype.
4049 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4050 Assert we are in cfglayout mode. Don't go into and out of cfglayout
4051 mode. Use relink_block_chain to serialize the CFG according to the
4052 new basic block order. Move targetm.cannot_modify_jumps_p check from
4053 here...
4054 (gate_handle_reorder_blocks): ...to here.
4055 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4056 from here...
4057 (gate_duplicate_computed_gotos): ...to here.
4058 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4059 something always changes when going into and out of cfglayout mode.
4060 Perform an expensive cfg cleanup while going into cfglayout mode.
4061 Always update liveness information on HAVE_conditional_execution
4062 targets. Reserialize the basic blocks and go out of cfglayout mode.
4063 * reg-stack.c: Include cfglayout.h.
4064 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4065 the call to reorder_basic_blocks.
4066 * basic-block.h (reorder_basic_blocks): Update prototype.
4067 (relink_block_chain): New prototype.
4068 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4069
4070 2007-03-23 Joseph Myers <joseph@codesourcery.com>
4071
4072 * config/mips/mips.md (type, hazard, *movdi_32bit,
4073 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4074 *movhi_internal, *movqi_internal, *movsf_hardfloat,
4075 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4076 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4077 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4078 applicable.
4079 (movcc): Change first xfer to multi.
4080 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4081 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4082 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4083 config/mips/generic.md: Change reservations using "xfer" to use
4084 "mfc,mtc".
4085 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4086 using match_operand.
4087 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4088 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4089 examining mode.
4090 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4091
4092 2007-03-22 Richard Henderson <rth@redhat.com>
4093
4094 * config/i386/i386.c: Remove unnecessary function declarations.
4095 Move targetm definition, and all related macros, to the end of
4096 the file. Resort some functions to put definitions before uses.
4097 (ix86_attribute_table): Make static. Move to end of file.
4098 (ix86_gimplify_va_arg): Make static.
4099
4100 2007-03-22 Richard Henderson <rth@redhat.com>
4101
4102 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4103 don't increase local_regparm with force_align_arg_pointer check.
4104 (ix86_function_sseregparm): Assert 32-bit.
4105 (type_has_variadic_args_p): New.
4106 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
4107 type_has_variadic_args_p.
4108 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4109 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
4110 use memset instead. Do maybe_vaarg check first; skip attribute
4111 tests if true; skip attribute tests for 64-bit.
4112 (construct_container): Remove TARGET_DEBUG_ARG.
4113 (function_arg_advance_32, function_arg_advance_64): Split out ...
4114 (function_arg_advance): ... from here.
4115 (function_arg_32, function_arg_64): Split out ...
4116 (function_arg): ... from here.
4117 (ix86_pass_by_reference): Tidy.
4118 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4119 (function_value_32): New, from parts of ix86_function_value
4120 and ix86_value_regno.
4121 (function_value_64): New, from parts of ix86_function_value
4122 and ix86_libcall_value.
4123 (ix86_function_value_1): New.
4124 (ix86_function_value, ix86_libcall_value): Use it.
4125 (return_in_memory_32, return_in_memory_64): Split out ...
4126 (ix86_return_in_memory): ... from here.
4127 (ix86_struct_value_rtx): Skip for 64-bit.
4128 (ix86_libcall_value, ix86_value_regno): Remove.
4129 (setup_incoming_varargs_64): Split out ...
4130 (ix86_setup_incoming_varargs): ... from here.
4131 (ix86_va_start): Remove TARGET_DEBUG_ARG.
4132 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4133 * config/i386/i386-protos.h (ix86_function_value): Remove.
4134 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4135
4136 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4137
4138 PR other/23572
4139 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4140 infinities not supported, otherwise emit warning if -Woverflow. On
4141 underflow, emit warning if -Woverflow.
4142 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4143 and 0 otherwise.
4144 * real.h (real_from_string): Update declaration
4145
4146 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
4147 Richard Henderson <rth@redhat.com>
4148
4149 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4150 * calls.c (compute_argument_block_size, expand_call,
4151 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4152 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4153 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4154 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4155 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4156 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4157 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4158 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4159 Set to 1.
4160
4161 2007-03-22 Joseph Myers <joseph@codesourcery.com>
4162
4163 * c-incpath.c (add_sysroot_to_chain): New.
4164 (merge_include_chains): Add sysroot argument. Call
4165 add_sysroot_to_chain if sysrooted.
4166 (register_include_chains): Update call to merge_include_chains.
4167 * doc/cppopts.texi: Document use of '=' in include directory
4168 arguments.
4169
4170 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
4171
4172 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4173 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
4174 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4175 insn pattern using X87MODEF12 mode macro.
4176
4177 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
4178
4179 * regmove.c (regmove_optimize): Use reg_mentioned_p
4180 instead of reg_overlap_mentioned_p for DST.
4181
4182 2007-03-21 Mike Stump <mrs@apple.com>
4183
4184 * c.opt: Fixup for Objective-C/C++.
4185
4186 2007-03-21 Steve Ellcey <sje@cup.hp.com>
4187
4188 * explow.c (convert_memory_address): Fold memory reference when
4189 POINTERS_EXTEND_UNSIGNED < 0
4190
4191 2007-03-21 Richard Henderson <rth@redhat.com>
4192
4193 PR target/31245
4194 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4195 * config/i386/mmintrin.h (__m64): Likewise.
4196 * config/i386/xmmintrin.h (__m128): Likewise.
4197
4198 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4199
4200 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4201 (VXWORKS_OS_CPP_BUILTINS): Define.
4202 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4203 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
4204
4205 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4206
4207 * rtl.h (constant_pool_reference_p): Delete.
4208 (find_constant_src): Declare.
4209 * rtlanal.c (find_constant_src): New function.
4210 * simplify-rtx.c (constant_pool_reference_p): Delete.
4211 * config/i386/i386.md: Use find_constant_src instead of
4212 constant_pool_reference_p/avoid_constant_pool_reference pairs.
4213
4214 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4215
4216 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4217 * c-cppbuiltin.c (c_cpp_builtins): Define them.
4218
4219 2007-03-20 Mark Mitchell <mark@codesourcery.com>
4220
4221 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4222 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4223 (arm_elf_asm_constructor): Use it.
4224 (arm_elf_asm_destructor): New function.
4225
4226 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
4227
4228 * jump.c (mark_jump_label): Treat SEQUENCE specially.
4229
4230 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
4231
4232 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4233
4234 2007-03-19 Andrew Haley <aph@redhat.com>
4235
4236 PR tree-optimization/31264
4237 * tree-vrp.c (register_edge_assert_for_1): Don't look though
4238 VIEW_CONVERT_EXPRs.
4239
4240 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
4241
4242 PR rtl-optimization/30907
4243 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4244 (fwprop_init): Always call loop_optimizer_initialize.
4245 (fwprop_done): Always call loop_optimizer_finalize.
4246 (fwprop): We always have loop info now.
4247 (gate_fwprop_addr): Remove.
4248 (pass_fwprop_addr): Use gate_fwprop as gate.
4249
4250 PR rtl-optimization/30841
4251 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4252 df_chain_alloc): Call df_reorganize_refs unconditionally.
4253 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4254 refs_organized to refs_organized_size.
4255 (df_ref_create_structure): Use refs_organized_size instead of
4256 bitmap_size if refs had been organized, and keep refs_organized_size
4257 up-to-date.
4258 * df.h (struct df_ref_info): Change refs_organized to
4259 refs_organized_size.
4260 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4261 bitmap_size.
4262
4263 2007-03-19 Mark Mitchell <mark@codesourcery.com>
4264
4265 * except.c (output_function_exception_table): Do not reference the
4266 EH personality routine for functions that do not require an
4267 exception table.
4268
4269 2007-03-20 Jakub Jelinek <jakub@redhat.com>
4270
4271 PR c/30762
4272 * c-typeck.c (convert_for_assignment): Call comptypes for
4273 RECORD_TYPE or UNION_TYPE.
4274
4275 PR inline-asm/30505
4276 * reload1.c (reload): Do invalid ASM checking after
4277 cleanup_subreg_operands.
4278
4279 2007-03-19 Jeff Law <law@redhat.com>
4280
4281 * tree-cfg.c (find_taken_edge): Tighten conditions for
4282 optimizing computed gotos.
4283
4284 2007-03-19 Michael Matz <matz@suse.de>
4285
4286 * builtins.c (expand_builtin_sync_operation,
4287 expand_builtin_compare_and_swap,
4288 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4289 correctly.
4290
4291 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4292 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4293 for operand 3.
4294
4295 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4296
4297 * doc/tm.texi: Add brackets around the return type of
4298 TARGET_SECONDARY_RELOAD.
4299
4300 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
4301 Richard Guenther <rguenther@suse.de>
4302
4303 PR tree-optimization/31254
4304 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4305 Use handled_component_p () where appropriate. Continue
4306 propagating into the rhs if we propagated into an INDIRECT_REF
4307 on the lhs.
4308
4309 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4310
4311 * config/s390/s390.md (op_type attribute): RRR instruction type added.
4312 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4313 (xde, xdee): Mode attributes adjusted to support DFP modes.
4314 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4315 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4316 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4317 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4318 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4319 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4320 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4321 numbers.
4322 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4323 "movsf"): Insn definitions removed.
4324 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4325 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4326 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4327 definitions added.
4328 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4329 "reload_in<mode>", "reload_out<mode>"): Expander added.
4330 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4331 Expander removed.
4332
4333 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4334
4335 * config/s390/s390.md: Only non-functional changes. Renamed
4336 FPR mode macro to BFP all over the file.
4337
4338 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4339
4340 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4341 (op_type attribute): RRF instruction type added.
4342 (fT0): New mode attribute.
4343 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4344 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4345 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4346 no secondary memory is needed when moving DFmode values between GPRs
4347 and FPRs.
4348
4349 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4350
4351 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4352 inverted and documentation adjusted.
4353 ("mhard-dfp", "msoft-dfp"): New options.
4354 * config/s390/s390.c (s390_handle_arch_option): New architecture
4355 switch: z9-ec.
4356 (override_options): Sanity checks for the new options added.
4357 * config.gcc: New architecture switch: z9-ec.
4358 * config/s390/s390.h (processor_flags): PF_DFP added.
4359 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4360 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4361 when the bit is NOT set so remove it from the defaults.
4362
4363 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4364
4365 * genemit.c (main): Print include statement for dfp.h.
4366 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4367 is not available.
4368
4369 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4370
4371 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4372
4373 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
4374
4375 PR target/31022
4376 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4377 instead of PATTERN.
4378
4379 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4380
4381 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4382 attr_length_call, output_call, output_indirect_call): Cleanup
4383 formatting of targetm calls.
4384
4385 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4386
4387 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4388
4389 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4390
4391 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
4392 reservation, bypass and anti-bypass descriptions for these instructions.
4393 Update move patterns.
4394 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4395 TYPE_FPSTORE.
4396
4397 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
4398
4399 * tree-vect-transform.c (get_initial_def_for_induction): Replace
4400 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4401 (get_initial_def_for_reduction): Likewise.
4402
4403 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
4404
4405 Fix PR tree-optimization/29922
4406 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4407 (get_representative): Removed.
4408 (value_dies_in_block_x): Update for rvuse removal.
4409 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4410 (compute_antic_aux): Handle when PHI nodes appear in
4411 non-single-successors.
4412 (dump_bitmap_of_names): Removed.
4413 (compute_antic_safe): Renamed and removed rvuse calculation.
4414 Calculate only antic safe.
4415 (insert_into_preds_of_block): Remove assert.
4416 (execute_pre): Update for renamed functions.
4417 (defer_or_phi_translate_block): New function.
4418
4419 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4420
4421 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4422 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4423 typos.
4424 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4425 Follow spelling conventions.
4426
4427 * tree-data-ref.h: Remove the prototype for analyze_array.
4428
4429 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
4430
4431 PR tree-optimization/31041
4432 * tree-vect-transform.c (get_initial_def_for_induction): Call
4433 force_gimple_operand.
4434
4435 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
4436
4437 * ipa-type-escape.c (look_for_casts) : Revert code to use
4438 handled_component_p due to ada test a-numaux.adb.
4439
4440 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4441
4442 * final.c (final_scan_insn): Alter the condition of a
4443 conditional trap if we have nonstandard CC.
4444
4445 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4446
4447 * configure.ac: Remove excess quoting from asm line 0 test.
4448 * configure: Rebuilt.
4449
4450 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4451
4452 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4453 * c-common.c (convert_and_check): Move warning logic to...
4454 (warnings_for_convert_and_check): ...here. Define.
4455 * c-common.h (warnings_for_convert_and_check): Declare.
4456
4457 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4458
4459 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4460 (output_call): Likewise.
4461
4462 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4463
4464 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4465
4466 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4467
4468 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4469
4470 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
4471
4472 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4473 opteron, athlon-64 and athlon-fx processor_alias_table entries.
4474
4475 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
4476
4477 PR tree-optimization/31183
4478 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4479 Use double_int instead of unsigned int for representing access_strides.
4480 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4481
4482 2007-03-16 Richard Guenther <rguenther@suse.de>
4483
4484 PR tree-optimization/31146
4485 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4486 to allow recursion of forward_propagate_addr_expr.
4487 (forward_propagate_addr_into_variable_array_index): Likewise.
4488 (forward_propagate_addr_expr): Likewise.
4489 (tree_ssa_forward_propagate_single_use_vars): Likewise.
4490 (forward_propagate_addr_expr_1): Recurse on simple copies
4491 instead of propagating into them. Do so for useless conversions
4492 as well.
4493 (forward_propagate_addr_expr): Clean up unused statements after
4494 recursion.
4495
4496 2007-03-16 Richard Guenther <rguenther@suse.de>
4497
4498 * builtins.c (expand_builtin_cexpi): Use the right argument
4499 for the expansion via cexp.
4500
4501 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4502
4503 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4504 * configure: Rebuilt.
4505
4506 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4507
4508 PR debug/29906
4509 * dwarf2out.c (force_type_die): Adjust comment.
4510 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4511
4512 2007-03-15 DJ Delorie <dj@redhat.com>
4513
4514 * config/frv/predicates.md (minmax_operator): Don't check operands
4515 here.
4516
4517 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4518
4519 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4520 Update constant estimates of number of iterations.
4521 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
4522 argument renamed to "realistic".
4523 (compute_estimated_nb_iterations): Removed.
4524 (record_niter_bound): New function.
4525 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4526 call record_nonwrapping_iv with upper = false.
4527 (infer_loop_bounds_from_signedness): Pass upper argument to
4528 record_nonwrapping_iv.
4529 (estimate_numbers_of_iterations_loop): Do not call
4530 compute_estimated_nb_iterations. Record estimate based on profile
4531 information. Initialize the constant estimates of number of
4532 iterations.
4533 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4534 estimates.
4535 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4536 number of iterations is too small.
4537 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4538 (EST_NOT_AVAILABLE): Removed.
4539 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4540 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4541 fields.
4542
4543 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4544
4545 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4546 Handle NE_EXPR guards.
4547
4548 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4549
4550 PR c++/24924
4551 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4552 Set also -pedantic-errors by default for the preprocessor unless
4553 -fpermissive is given.
4554
4555 2007-03-15 Richard Guenther <rguenther@suse.de>
4556
4557 PR middle-end/29719
4558 PR middle-end/31161
4559 * builtins.c (expand_builtin_cexpi): As a fallback if we
4560 don't have builtins for sincos or cexp create a function
4561 declaration for cexp and expand to a call to that.
4562 (expand_builtin_int_roundingfn): Always fall
4563 back to floor/ceil and its variants even if they may be
4564 not available.
4565
4566 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
4567
4568 PR middle-end/31159
4569 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4570 jump tables, move the call to delete_dead_jumptables from here...
4571 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
4572 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4573 don't allow merging of blocks that try_redirect_by_replacing_jump
4574 also does not handle when not optimizing.
4575
4576 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4577 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4578
4579 * config/i386/i386.md (x86_sahf_1): Correctly handle
4580 HAVE_AS_IX86_SAHF.
4581
4582 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4583
4584 PR target/31167
4585 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4586 x86_64_general_operand as operand[2] predicate. Remove "iF"
4587 from operand constraints and use "e" constraint instead.
4588 (*subti3_1, *subti3_1 splitter): Ditto.
4589 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4590 operand[1] predicate.
4591
4592 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
4593
4594 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4595 arrays, multiply the access strides by the size of the sub-array.
4596 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4597
4598 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
4599
4600 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4601 the configured assembler supports the sahf mnemonic.
4602 * configure: Regenerate.
4603 * config.in: Regenerate.
4604
4605 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4606 emit "sahf" or ".byte\t0x9e" as asm template.
4607
4608 2007-03-14 Michael Meissner <michael.meissner@amd.com>
4609
4610 PR 31018
4611 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4612 option to replace hard coded TARGET_xxx in md file.
4613 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4614 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4615 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4616 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4617 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4618 (X86_TUNE_NOT_VECTORMODE): Ditto.
4619 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4620 (TUNE_AVOID_VECTOR_DECODE): Ditto.
4621 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4622 (TUNE_SLOW_IMUL_IMM8): Ditto.
4623 (TUNE_MOVE_M1_VIA_OR): Ditto.
4624 (TUNE_NOT_UNPAIRABLE): Ditto.
4625 (TUNE_NOT_VECTORMODE): Ditto.
4626
4627 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4628 options.
4629
4630 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4631 tuning options instead of hard coded TARGET_xxx.
4632 (fix ssemode peephole2's): Ditto.
4633 (imul peephole2's): Ditto.
4634 (movsi_or): Ditto.
4635 (movdi_or_rex64): Ditto.
4636 (move peephole2): Ditto.
4637 (not peephole2's): Ditto.
4638
4639 2007-03-14 Dirk Mueller <dmueller@suse.de>
4640
4641 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4642 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4643 * c-parser.c (c_parser_if_body): Always add an empty statement in case
4644 of empty body.
4645 * c-parser.c (c_parser_do_statement): Warn about empty body in
4646 do/while statement.
4647 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4648 * doc/invoke.texi (-Wempty-body): Update documentation.
4649
4650 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4651
4652 PR c/21438
4653 * c-common.h (warn_for_div_by_zero): Declare.
4654 * c-common.c (warn_for_div_by_zero): Define.
4655 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4656 warning.
4657
4658 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4659
4660 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4661 to PREFIX and STANDARD_PREFIX.
4662
4663 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4664 Phil Edwards <phil@codesourcery.com>
4665
4666 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4667 (__gthread_once_t): Remove busy field for RTPs.
4668 (__GTHREAD_ONCE_INIT): Update accordingly.
4669
4670 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4671
4672 * doc/invoke.texi: Document VxWorks options.
4673
4674 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
4675
4676 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4677
4678 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
4679
4680 PR tree-optimization/30590
4681 * tree-nrv.c (tree_nrv): Check for the partial update of the
4682 return value.
4683
4684 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
4685
4686 * flags.h (flag_random_seed): Remove declaration, in favor of...
4687 * toplev.h (get_random_seed, set_random_seed): ... these.
4688 * tree.c (get_file_function_name): Use the former.
4689 * opts.c (common_handle_option): Use the latter.
4690 * toplev.c
4691
4692 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
4693
4694 PR middle-end/31127
4695 * cse.c (cse_find_path): Do not bail out if a basic block that
4696 we already visited now becomes part of a path that starts at a
4697 different basic block. Just disallow this, to make sure we
4698 visit each basic block at most once.
4699
4700 2007-03-13 Jan Hubicka <jh@suse.cz>
4701
4702 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4703 when profile esitmate is present, calls with very low frequency are
4704 cold.
4705
4706 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4707
4708 PR tree-optimization/30730
4709 PR tree-optimization/26900
4710 * tree-ssa-loop-niter.c: Include gmp.h.
4711 (bounds): New type.
4712 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4713 split_to_var_and_offset, determine_value_range,
4714 bound_difference_of_offsetted_base, refine_bounds_using_guard,
4715 bound_difference, bounds_add, bounds_negate,
4716 number_of_iterations_ne_max, dump_affine_iv): New functions.
4717 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4718 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4719 difference of initial and final value of control iv to validate
4720 results.
4721 (number_of_iterations_cond): Add loop parameter. Determine bounds
4722 on the difference of the extremes of the control iv. Add dumps.
4723 (expand_simple_operations): Handle phi nodes.
4724 (simplify_using_initial_conditions): Do not record used conditions.
4725 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4726 Do not set additional_info.
4727 (implies_nonnegative_p, implies_ge_p): Removed.
4728 (derive_constant_upper_bound): Do not use parameter `additional'.
4729 (record_estimate): Parameter `additional' removed. Parameter
4730 `i_bound' added. Do not call derive_constant_upper_bound.
4731 (record_nonwrapping_iv): Use derive_constant_upper_bound to
4732 bound the number of iterations estimate.
4733 (estimate_numbers_of_iterations_loop): Pass the estimate from
4734 the number of iterations analysis to record_estimate.
4735 * tree.h (multiple_of_p): Declare.
4736 * tree-scalar-evolution.c (expression_expensive_p): Removed.
4737 (scev_const_prop): Do not check expression_expensive_p.
4738 * fold-const.c (multiple_of_p): Exported.
4739 * double-int.c (double_int_mask): Exported.
4740 * double-int.h (double_int_mask): Declare.
4741 * tree-flow.h (struct tree_niter_desc): Removed additional_info
4742 field. Added max field.
4743
4744 2007-03-13 David Taylor <taylor@candd.org>
4745
4746 PR driver/12448:
4747 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4748 default -MQ.
4749
4750 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4751
4752 PR target/31123
4753 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
4754 two unamed patterns.
4755
4756 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
4757
4758 * config/i386/i386.opt (mcx16, msahf): New options.
4759 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4760 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4761
4762 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4763 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4764 Output -mcx16 and -msahf options when corresponding bit is set.
4765
4766 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4767 and -msahf options.
4768
4769 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
4770
4771 * configure.ac: Test for assembler tolerance to # 0 "".
4772 * configure, config.in: Rebuilt.
4773 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4774
4775 2007-03-13 Geoffrey Keating <geoffk@apple.com>
4776
4777 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4778
4779 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4780 (handle_syscall): Handle direct system calls.
4781 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4782
4783 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
4784
4785 * doc/invoke.texi: Fix cpp.info cross-reference.
4786 * doc/passes.texi: Fix gcc.info cross-reference.
4787
4788 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
4789
4790 PR tree-optimization/30835
4791 * lambda-code.c (can_convert_to_perfect_nest): Check whether
4792 bb_for_stmt is not NULL before accessing it.
4793
4794 2007-03-12 Joseph Myers <joseph@codesourcery.com>
4795
4796 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4797 some multilibs.
4798
4799 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
4800
4801 PR 30635
4802 * doc/install.texi: Document --enable-stage1-languages
4803
4804 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
4805
4806 * tree-pass.h (pass_into_cfg_layout_mode,
4807 pass_outof_cfg_layout_mode): Declare.
4808 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4809 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4810 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4811 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4812
4813 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
4814
4815 * c-decl.c (warn_variable_length_array): New function.
4816 Refactored from grokdeclarator to handle warn_vla
4817 and handle unnamed array case.
4818 (grokdeclarator): Refactored VLA warning case.
4819 * c.opt (Wvla): New flag.
4820 * doc/invoke.texi (Wvla): New warning.
4821
4822 2007-03-12 Richard Henderson <rth@redhat.com>
4823
4824 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4825 (TARGET_SECTION_TYPE_FLAGS): New.
4826
4827 2007-03-12 Richard Henderson <rth@redhat.com>
4828
4829 * config/darwin.c (machopic_reloc_rw_mask): New.
4830 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4831 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4832
4833 2007-03-12 Mark Mitchell <mark@codesourcery.com>
4834
4835 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4836 * cppdefault.h (cpp_PREFIX): Document.
4837 (cpp_PREFIX_len): Likewise.
4838 (cpp_EXEC_PREFIX): New variable.
4839 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4840 * c-incpath.c (add_standard_paths): Correct logic for relocating
4841 paths within prefix.
4842
4843 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
4844
4845 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4846 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4847 mode macro.
4848 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4849 fix_truncdfdi_sse using SSEMODEF mode macro.
4850 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4851 fix_truncdfsi_sse using SSEMODEF mode macro.
4852 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4853 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4854
4855 2007-03-12 Richard Sandiford <richard@codesourcery.com>
4856
4857 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4858 elfos.h to tm_file.
4859
4860 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
4861
4862 * tree.h : Add multiple_of_p declaration.
4863 * fold-const.c (multiple_of_p): Make multiple_of_p public.
4864 * ipa-type-escape.c (results_of_malloc): Redundant.
4865 (visited_stmts): New. Visited stmt for walk_use_def_chains.
4866 (cast_type): Extended with new members.
4867 (check_cast): Returns cast_type.
4868 (cast): New structure for data of walk_use_def_chains.
4869 (is_malloc_result, is_cast_from_non_pointer_1,
4870 is_cast_from_non_pointer,
4871 is_array_access_through_pointer_and_index): New functions.
4872 (look_for_casts): Returns cast types.
4873 (check_call): Returns void.
4874 (okay_pointer_operation): Use support of pointer plus index,
4875 pointer plus constant and allow all multiplications.
4876
4877 2007-03-11 Richard Guenther <rguenther@suse.de>
4878
4879 PR tree-optimization/31115
4880 * tree-vrp.c (extract_range_from_binary_expr): Make sure
4881 the shift count is positive and non-anti-range for RSHIFT_EXPR.
4882 A shift count of zero is not special as with *_DIV_EXPR.
4883 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4884 direction.
4885
4886 2007-03-11 Ian Lance Taylor <iant@google.com>
4887
4888 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4889 the *_DIV_EXPR codes correctly with overflow infinities.
4890
4891 2007-03-11 Ira Rosen <irar@il.ibm.com>
4892
4893 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4894 indicate success/failure of the analysis. Add negation to subtrahend
4895 in case of subtraction. Fail if both operands contain constants.
4896 (create_data_ref): Fail if analyze_offset fails.
4897
4898 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
4899
4900 * config/i386/i386.md (frndintxf2): Rename to ...
4901 (rintxf2): ... this. Remove expander having same name.
4902 (rintsf2, rintdf2): Implement using SSEMODEF macro.
4903 (roundsf2, rounddf2): Ditto.
4904 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4905 (lround<mode>di2, lround<mode>si2): Ditto.
4906
4907 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
4908
4909 * lower-subreg.c: Include except.h.
4910 (decompose_multiword_subregs): Verify that the only control flow
4911 insns we can split are loads to multi-words pseudos.
4912 Handle breaking such blocks after splitting, instead of calling
4913 find_many_sub_basic_blocks.
4914
4915 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4916 on the new basic block. Add a lengthy comment explaining why we
4917 thought this was necessary.
4918 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4919
4920 2007-03-10 Mark Mitchell <mark@codesourcery.com>
4921
4922 PR c++/30924
4923 * tree.c (walk_type_fields): Recurse into the element type of
4924 ARRAY_TYPEs if there is a pointer set.
4925
4926 2007-03-10 Dirk Mueller <dmueller@suse.de>
4927
4928 * c-common.c (warn_logical_operator): Fix condition.
4929
4930 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
4931
4932 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4933 quotation mark.
4934 * config/darwin.c (machopic_select_section): Remove superfluous
4935 argument in call to categorize_decl_for_section. Remove unused
4936 variable shlib.
4937
4938 2007-03-10 Joseph Myers <joseph@codesourcery.com>
4939
4940 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4941 defined.
4942 * configure: Regenerate.
4943
4944 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
4945
4946 PR target/31101
4947 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4948 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4949 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
4950 Add LABEL_NUSES to emitted label.
4951 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
4952 branch probability value to emitted jump insn.
4953 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
4954 Do not check life information and do not re-arrange input operands
4955 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
4956
4957 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
4958
4959 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
4960 the change of decode_asm_operands.
4961
4962 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
4963
4964 * mode-switching.c (create_pre_exit): Skip blockage insn.
4965
4966 2007-03-09 Diego Novillo <dnovillo@redhat.com>
4967
4968 * tree-pass.h (TODO_update_smt_usage): Remove.
4969 Update all users.
4970 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
4971 argument SOME.
4972 Update all users.
4973
4974 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4975
4976 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
4977 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
4978 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
4979 SOM target.
4980
4981 2007-03-09 Geoffrey Keating <geoffk@apple.com>
4982
4983 * gcc.c: Document %{, in big comment at top.
4984 (input_suffix_matches): Remove special handling for .s and
4985 .S.
4986 (input_spec_matches): New.
4987 (handle_braces): Handle %{,.
4988 (validate_switches): ',' indicates a value which is not a switch.
4989 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
4990 to detect assembler input.
4991 * config/i386/sol2.h (CPP_SPEC): Likewise.
4992 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
4993 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
4994 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
4995 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
4996 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
4997 -m64 causes deployment target to default to 10.5.
4998 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4999
5000 2007-03-09 Richard Henderson <rth@redhat.com>
5001
5002 PR target/26090
5003 * target.h (targetm.asm.out.reloc_rw_mask): New.
5004 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5005 (TARGET_ASM_OUT): Use it.
5006 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5007 * varasm.c (categorize_decl_for_section): Remove shlib argument;
5008 use the new reloc_rw_mask target hook instead.
5009 (default_section_type_flags_1): Merge into...
5010 (default_section_type_flags): ... here.
5011 (decl_readonly_section_1): Merge into...
5012 (decl_readonly_section): ... here.
5013 (default_elf_select_section_1): Merge into...
5014 (default_elf_select_section): ... here.
5015 (default_unique_section_1): Merge into...
5016 (default_unique_section): ... here.
5017 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5018 (default_select_rtx_section): Use it.
5019 (default_elf_select_rtx_section): Likewise.
5020 * output.h: Update to match.
5021 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5022 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5023 (TARGET_ASM_RELOC_RW_MASK): New.
5024 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5025 to categorize_decl_for_section.
5026 (x86_64_elf_unique_section): Likewise.
5027 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5028 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5029 (TARGET_ASM_RELOC_RW_MASK): New.
5030 * config/ia64/ia64.c (ia64_rwreloc_select_section,
5031 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5032 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5033 (TARGET_RWRELOC): Remove.
5034 (ia64_section_type_flags): Adjust call to default_section_type_flags.
5035 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5036 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5037 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5038 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5039 (rs6000_xcoff_select_section): Use decl_readonly_section.
5040 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5041 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5042 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5043 (TARGET_SECTION_TYPE_FLAGS): Remove.
5044 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5045
5046 2007-03-09 Roger Sayle <roger@eyesopen.com>
5047
5048 * fold-const.c (fold_comparison): Remove compile-time evaluation of
5049 complex constant equality/inequality comparisons for here.
5050 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5051 known at compile-time or can be simplified to a scalar comparison.
5052 (fold_relational_const): Move compile-time evaluation of complex
5053 constant equality/inequality comparisons to here.
5054
5055 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5056
5057 PR rtl-optimization/30643
5058 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5059 dest_addr_elt.
5060 (fold_rtx): Recurse, like before 2006-11-03.
5061
5062 2007-03-09 DJ Delorie <dj@redhat.com>
5063
5064 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5065 m32c-pragma.o.
5066
5067 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
5068
5069 PR tree-optimization/30375
5070 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5071 LHS of statements is not the same.
5072 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5073
5074 2007-03-09 Chao-ying Fu <fu@mips.com>
5075
5076 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5077 REV 2.
5078 * doc/invoke.texi (-mdspr2): Document new option.
5079 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5080 New unspec for DSP REV 2.
5081 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5082 these instructions are extended in DSP REV 2.
5083 (mips-dspr2.md): Include.
5084 * config/mips/mips.opt (mdspr2): New option.
5085 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5086 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5087 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5088 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5089 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5090 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
5091 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5092 and 2 builtins.
5093 (bdesc_map): Add one field of unsupported_target_flags.
5094 (bdesc_arrays): Update entries to have extra fields. Add
5095 dsp_32only_bdesc.
5096 (mips_init_builtins): Initialize new function types.
5097 Check unsupported_target_fileds to filter out builtins.
5098 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5099 TARGET_DSPR2.
5100 (ASM_SPEC): Pass mdspr2 to the assembler.
5101 * config/mips/mips-dspr2.md: New file.
5102
5103 2007-03-09 Sa Liu <saliu@de.ibm.com>
5104
5105 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5106
5107 2007-03-09 Ian Lance Taylor <iant@google.com>
5108
5109 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5110 argument) like -Wstrict-overflow=2.
5111 * doc/invoke.texi (Warning Options): Update documentation.
5112
5113 2007-03-09 Dirk Mueller <dmueller@suse.de>
5114
5115 PR c++/17946
5116 * doc/invoke.texi (-Wlogical-op): Document.
5117 * common.opt (-Wlogical-op): New.
5118 * c-common.h (warn_logical_operator): Declare.
5119 * c-common.c (warn_logical_operator): Define.
5120 * c-typeck.c (parser_build_binary_op): Call
5121 warn_logical_operator.
5122
5123 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5124
5125 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5126 * final.c (final_scan_insn): Test for non-"" file name.
5127
5128 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
5129
5130 * doc/loop.texi: Document the Omega linear constraints solver.
5131 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5132 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5133 omega-hash-table-size, omega-max-keys, and
5134 omega-eliminate-redundant-constraints.
5135 * tree-pass.h (pass_check_data_deps): Declared.
5136 * omega.c: New.
5137 * omega.h: New.
5138 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5139 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5140 pass_check_data_deps): New.
5141 * tree-data-ref.c (init_data_ref): Remove declaration.
5142 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5143 (analyze_array): Renamed init_array_ref, move up initializations.
5144 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
5145 Removed arguments that are set to NULL.
5146 (analyze_indirect_ref): Correct indentation, correct call to
5147 init_pointer_ref.
5148 (object_analysis): Call init_array_ref instead of analyze_array.
5149 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5150 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5151 of DR_ACCESS_FNS_ADDR.
5152 (init_omega_eq_with_af, omega_extract_distance_vectors,
5153 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5154 ddr_consistent_p): New.
5155 (compute_affine_dependence): Check consistency of ddrs when
5156 flag_check_data_deps is passed.
5157 (analyze_all_data_dependences): Uncomment.
5158 (tree_check_data_deps): New.
5159 * tree-data-ref.h: Include omega.h.
5160 (DR_ACCESS_FNS_ADDR): Removed.
5161 (data_dependence_relation): Add inner_loop.
5162 (DDR_INNER_LOOP): New.
5163 * common.opt (fcheck-data-deps): New.
5164 * tree-flow.h (tree_check_data_deps): Declare.
5165 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5166 (OBJS-common): Depend on omega.o.
5167 (omega.o): Define.
5168 * passes.c (pass_check_data_deps): Scheduled.
5169 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5170 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5171 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5172 PARAM_VECT_MAX_VERSION_CHECKS,
5173 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5174
5175 2007-03-09 Richard Guenther <rguenther@suse.de>
5176
5177 PR tree-optimization/30904
5178 PR middle-end/31058
5179 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5180 the same way as *_DIV_EXPR.
5181
5182 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5183
5184 * recog.c (decode_asm_operands): No mixed declarations and code.
5185
5186 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5187
5188 * rtl.def (ASM_INPUT): Add location.
5189 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5190 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5191 (decode_asm_operands): Add loc operand.
5192 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5193 * stmt.c (expand_asm): Rename to...
5194 (expand_asm_loc): ... this. Add locus argument. Pass it on to
5195 gen_rtx_ASM_INPUT_loc.
5196 (expand_asm_expr): Adjust.
5197 * recog.c (decode_asm_operands): Add loc operand.
5198 (check_asm_operands, extract_insn): Adjust.
5199 * reload1.c (maybe_fix_stack_asms): Likewise.
5200 * final.c (asm_insn_count): Likewise.
5201 (final_scan_insn): Output # line before and after asm.
5202
5203 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
5204
5205 * tree-ssa-structalias.c (variable_info): Remove
5206 finished_solution.
5207 (new_var_info): Ditto.
5208 (shared_bitmap_info_t): New structure.
5209 (shared_bitmap_table): New variable.
5210 (shared_bitmap_hash): New function.
5211 (shared_bitmap_eq): Ditto
5212 (shared_bitmap_lookup): Ditto.
5213 (shared_bitmap_add): Ditto.
5214 (merge_smts_into): Change to take bitmap directly.
5215 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5216 (init_alias_vars): Init shared bitmap hashtable.
5217 (delete_points_to_sets): Delete shared bitmap hashtable.
5218 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5219 is_aliased removal as a change that was still necessary was
5220 deleted.
5221
5222 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
5223
5224 * config/i386/i386.h (override_options): Conditionally disable
5225 x86_sahf for 64bit targets only.
5226
5227 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
5228
5229 PR C/31072
5230 * c-decl.c (merge_decls): Don't call make_var_volatile.
5231 * varasm.c (make_var_volatile): Remove.
5232 * output.h (make_var_volatile): Remove.
5233
5234 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
5235
5236 PR tree-optimization/31085
5237 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5238
5239 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5240
5241 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5242 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5243 ATTR_CONST_NOTHROW_LIST.
5244
5245 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5246 FIX_TRUNC_EXPR.
5247
5248 2007-03-08 Diego Novillo <dnovillo@redhat.com>
5249
5250 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5251
5252 2007-03-08 Geoffrey Keating <geoffk@apple.com>
5253
5254 PR 31013
5255 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5256 is declared.
5257 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5258 passed, use shared libgcc.
5259
5260 2007-03-08 Roger Sayle <roger@eyesopen.com>
5261
5262 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5263 instead of calling build2 with a GIMPLE_MODIFY_STMT.
5264 (honor_protect_cleanup_actions, lower_try_finally_switch):
5265 Likewise.
5266 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5267 ifc_temp_var): Likewise.
5268 * tree-inline.c (setup_one_parameter): Likewise.
5269 * tree-mudflap.c (mf_decl_cache_locals,
5270 mf_build_check_statement_for): Likewise.
5271 * tree-nested.c (init_tmp_var, save_tmp_var,
5272 finalize_nesting_tree_1): Likewise.
5273 * tree-outof-ssa.c (insert_copy_on_edge,
5274 insert_backedge_copies): Likewise.
5275 * tree-profile.c (tree_gen_edge_profiler,
5276 tree_gen_ic_profiler): Likewise.
5277 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5278 * tree-sra.c (sra_build_assignment): Likewise.
5279 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5280 * tree-ssa-math-opts.c (insert_reciprocals,
5281 execute_cse_sincos_1): Likewise.
5282 * tree-tailcall.c (adjust_accumulator_values,
5283 adjust_return_value): Likewise.
5284 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5285 * tree-vect-transform.c (vect_create_data_ref_ptr,
5286 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5287 vect_create_epilog_for_reduction, vectorizable_reduction,
5288 vectorizable_call, vectorizable_conversion,
5289 vectorizable_assignment, vectorizable_operation,
5290 vectorizable_type_demotion, vect_gen_widened_results_half,
5291 vect_permute_store_chain, vectorizable_store,
5292 vect_setup_realignment, vect_permute_load_chain,
5293 vectorizable_load, vectorizable_condition,
5294 vect_create_cond_for_align_checks): Likewise.
5295 * tree-vrp.c (build_assert_expr_for): Likewise.
5296
5297 2007-03-08 Ian Lance Taylor <iant@google.com>
5298
5299 * tree-vrp.c: Include "intl.h".
5300 (usable_range_p): New static function.
5301 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5302 overflowed values, juts set *strict_overflow_p.
5303 (compare_values): Only return -2 if one of the operands is not a
5304 constant.
5305 (compare_ranges): Call usable_range_p.
5306 (compare_range_with_value): Likewise.
5307 (vrp_evaluate_conditional_warnv): Rename from
5308 vrp_evaluate_conditional. Make static. Change all callers.
5309 (vrp_evaluate_conditional): New function.
5310 (simplify_div_or_mod_using_ranges): Issue warning about reliance
5311 on signed overflow.
5312 (simplify_abs_using_ranges): Likewise.
5313 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5314 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5315 within_stmt parameter.
5316 * tree-ssa-propagate.c (fold_predicate_in): Update call to
5317 vrp_evaluate_conditional.
5318 * tree-ssa-threadedge.c
5319 (record_temporary_equivalences_from_stmts_at_dest): Change
5320 simplify parameter to take a second tree parameter.
5321 (simplify_control_stmt_condition): Likewise.
5322 (thread_across_edge): Likewise.
5323 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5324 (thread_across_edge): Likewise.
5325 * Makefile.in (tree-vrp.o): Depend upon intl.h.
5326
5327 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
5328
5329 * config/i386/i386.h (TARGET_SAHF): New define.
5330 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5331 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5332 (x86_sahf): New global variable.
5333 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
5334 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
5335 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
5336 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
5337 for 64-bit.
5338 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5339 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5340 when expanding fcomi/sahf based tests.
5341 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5342 expanding sahf based alternative. Emit sahf based sequence when
5343 optimizing for code size.
5344 * config/i386/i386.md (x86_sahf_1): Do not disable for
5345 TARGET_64BIT, enable for TARGET_SAHF.
5346
5347 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
5348
5349 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5350 spurious whitespace from error message.
5351
5352 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
5353
5354 PR c++/30852
5355 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5356
5357 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
5358
5359 * c-decl.c (grokdeclarator): Disable warnings for anonymous
5360 bitfields.
5361 * tree-sra.c (instantiate_element): Propagate disabled warnings
5362 from the element itself to the created variable.
5363
5364 2007-03-07 Richard Henderson <rth@redhat.com>
5365
5366 PR target/30848
5367 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5368 silently fix up the stack in the case of a missing register.
5369
5370 2007-03-07 Paul Brook <paul@codesourcery.com>
5371
5372 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5373
5374 2007-03-07 Joseph Myers <joseph@codesourcery.com>
5375
5376 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5377 New.
5378 (phase1_vrs): Use them.
5379 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5380 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5381 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5382 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5383 __gnu_Unwind_Restore_WMMXC if required.
5384 (_Unwind_VRS_Pop): Implement iWMMXt support.
5385 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5386 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5387 gnu_Unwind_Save_WMMXC): Define.
5388
5389 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5390
5391 * config/vxworks.h (vxworks_override_options): Declare.
5392 (VXWORKS_OVERRIDE_OPTIONS): Use it.
5393 * config/vxworks.c: Include target.h and toplev.h.
5394 (vxworks_override_options): New function.
5395 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5396
5397 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
5398
5399 * config/s390/s390.c (override_options): Don't emit an error when
5400 -mstack-size is used without providing -mstack-guard.
5401 (s390_emit_prologue): Choose stack_guard value automatically if not
5402 provided via command line.
5403 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5404
5405 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5406
5407 * config/i386/i386.c (output_set_got): Add a GOT initialization
5408 sequence for VxWorks PIC.
5409 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5410 around labels as well as symbols. Use gotoff_operand instead
5411 of local_symbolic_operand.
5412 (legitimize_pic_address): Use gotoff_operand instead of
5413 local_symbolic_operand. Use @GOT accesses for labels as
5414 well as symbols.
5415 (ix86_output_addr_diff_elt): Use PC-relative rather than
5416 GP-relative offsets for VxWorks PIC.
5417 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5418 no_new_pseudos. Check whether the returned register is op0.
5419 * config/i386/i386.md (tablejump): Use PC-relative rather than
5420 GP-relative offsets for VxWorks PIC.
5421 * config/i386/predicates.md (gotoff_operand): New predicate.
5422
5423 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5424
5425 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5426 before defining.
5427 * config/vxworks-dummy.h: New file.
5428 * config/i386/i386.h: Include it.
5429
5430 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
5431
5432 * dwarf2out.c (is_inlined_entry_point): New
5433 (add_high_low_attributes): Emit DW_AT_entry_pc along with
5434 DW_AT_ranges if the first subblock is the entry point.
5435
5436 2007-03-06 David Daney <ddaney@avtrex.com>
5437
5438 * doc/install.texi (mips-*-*): Change recommended binutils
5439 version.
5440
5441 2007-03-06 Anatoly Sokolov <aesok@post.ru>
5442
5443 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5444 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5445 devices.
5446 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5447 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5448
5449 2007-03-06 Jan Hubicka <jh@suse.cz>
5450
5451 * errors.h (warning, error, fatal, internal_error): Mark as cold.
5452 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5453 are hot.
5454 (probably_cold_bb_p): Cold functions are cold.
5455 (probably_never_executed_bb_p): Cold functions are cold.
5456 (tree_bb_level_predictions): Predict calls to cold functions as not
5457 taken.
5458 (compute_function_frequency): Check hot/cold attributes.
5459 * function.h (function_frequency): Update comments.
5460 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5461 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5462 (c_common_att): Add cold and hot.
5463
5464 * doc/extend.texi (hot,cold attributes): Document.
5465
5466 2007-03-06 Andrew Haley <aph@redhat.com>
5467
5468 * function.c (expand_function_end): Move blockage to just after we
5469 emit the label for the naked return from the function.
5470
5471 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5472
5473 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5474 before redefining.
5475
5476 2007-03-06 Jan Hubicka <jh@suse.cz>
5477
5478 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5479 loaded for constant large models. Non-large 64bit PIC can do.
5480 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5481 * cmodel.h: Add LARGE PIC.
5482 * i386.md (UNSPEC_PLTOFF): New.
5483 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5484 needed.
5485 (*call_1_rex64): Disable for large models.
5486 (*call_1_rex64_large): New.
5487 (*call_value_1_rex64): Disable for large models.
5488 (*call_value_1_rex64_large): New.
5489 (set_rip_rex4): New.
5490 (set_got_offset_rex64): New.
5491 * predicates.md (constant_call_address_operand): For large model
5492 constant calls are not possible.
5493 * i386-protos.h (construct_plt_address): Declare.
5494 * i386.c (override_options): Accept large models.
5495 (ix86_expand_prologue): Expand large PIC GOT pointer load.
5496 (legitimate_constant_p): Add new UNSPECs.
5497 (legitimate_pic_operand_p): Likewise.
5498 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5499 (legitimize_pic_address): Do easy RIP relative way for TLS only for
5500 non-large model.
5501 (output_pic_addr_const): Add PLTOFF.
5502 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5503 (ix86_expand_move): Legitimize pic address when in PIC mode.
5504 (construct_plt_address): New function.
5505 (ix86_expand_call): Offload the address to register and use GOT pointer
5506 for large model.
5507 * invoke.texi (mcmodel=large): Update documentation.
5508
5509 2007-03-06 Richard Henderson <rth@redhat.com>
5510
5511 * config/i386/i386.c (x86_use_leave, x86_push_memory,
5512 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5513 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5514 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5515 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5516 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5517 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5518 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5519 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5520 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5521 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5522 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5523 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5524 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5525 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5526 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5527 x86_schedule, x86_use_bt, x86_pad_returns,
5528 x86_use_xchgb): Merge into ...
5529 (ix86_tune_features): ... here. New array.
5530 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5531 x86_bswap): Merge into ...
5532 (ix86_arch_features): ... here. New array.
5533 (x86_3dnow_a): Remove.
5534 (x86_accumulate_outgoing_args): Make static.
5535 (x86_arch_always_fancy_math_387): Make static.
5536 (ix86_tune_mask, ix86_arch_mask): Move ...
5537 (override_options): ... to local variables here. Apply the
5538 appropriate mask to each element of ix86_arch_features and
5539 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
5540 as were done in the old macros.
5541 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5542 * config/i386/i386.h (x86_use_leave, x86_push_memory,
5543 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5544 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5545 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5546 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5547 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5548 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5549 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5550 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5551 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5552 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5553 x86_accumulate_outgoing_args, x86_prologue_using_move,
5554 x86_epilogue_using_move, x86_decompose_lea,
5555 x86_arch_always_fancy_math_387, x86_shift1,
5556 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5557 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5558 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5559 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5560 x86_use_incdec, x86_pad_returns, x86_bswap,
5561 x86_partial_flag_reg_stall): Remove.
5562 (enum ix86_tune_indices): New.
5563 (ix86_tune_features): New.
5564 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5565 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5566 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5567 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5568 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5569 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5570 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5571 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5572 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5573 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5574 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5575 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5576 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5577 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5578 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5579 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5580 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5581 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5582 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5583 TARGET_EXT_80387_CONSTANTS): Use it.
5584 (enum ix86_arch_indices): New.
5585 (ix86_arch_features): New.
5586 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5587 TARGET_BSWAP): Use it.
5588 (ix86_tune_mask, ix86_arch_mask): Remove.
5589
5590 2007-03-06 Joseph Myers <joseph@codesourcery.com>
5591
5592 PR bootstrap/31020
5593 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5594 Define using $${sysroot_headers_suffix}.
5595 * configure: Regenerate.
5596 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5597 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5598 defined.
5599 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5600 * gcc.c (print_sysroot_headers_suffix): New.
5601 (option_map): Include --print-sysroot-headers-suffix.
5602 (display_help): Mention -print-sysroot-headers-suffix.
5603 (process_command): Handle -print-sysroot-headers-suffix.
5604 (do_spec_1): Append multilib directory to include-fixed path if
5605 sysroot suffixes in use.
5606 (main): Handle -print-sysroot-headers-suffix.
5607 * Makefile.in (start.encap): Don't depend on xlimits.h
5608 (xlimits.h): Remove.
5609 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
5610 limits.h for each multilib in fixinc_list.
5611 (fixinc_list, s-fixinc_list): New.
5612 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
5613 generate them for each multilib in fixinc_list.
5614 (stmp-fixproto): Use include-fixed. Run fixproto for each
5615 multilib in fixinc_list.
5616 (mostlyclean): Don't remove xlimits.h.
5617 (clean): Remove include-fixed.
5618 (real-install-headers-tar, real-install-headers-cpio,
5619 real-install-headers-cp): Don't copy include, only include-fixed.
5620 (install-mkheaders): Depend on fixinc_list. Don't depend on
5621 xlimits.h. Save limits.h files for each multilib in fixinc_list.
5622 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
5623 SYSTEM_HEADER_DIR setting in mkheaders.conf.
5624
5625 2007-03-06 Jan Hubicka <jh@suse.cz>
5626
5627 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5628 NANs easilly.
5629
5630 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5631
5632 * configure.ac: Allow tm_file to contain build-directory files.
5633 * configure: Regenerate.
5634 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5635 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5636 * config/m68k/print-sysroot-suffix.sh: New file.
5637
5638 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5639
5640 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5641 of pic_offset_table_rtx if reload_completed.
5642 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5643 PIC_OFFSET_TABLE_REGNUM.
5644 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5645 return true.
5646 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5647 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
5648
5649 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5650
5651 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5652 functions that call eh_return.
5653
5654 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5655
5656 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5657 functions that need a constant pool.
5658
5659 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5660
5661 PR target/28181
5662 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5663 (m68k_preferred_reload_class): Likewise.
5664 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5665 (SECONDARY_RELOAD_CLASS): Define.
5666 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5667 (LIMIT_RELOAD_CLASS): Delete.
5668 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5669 registers from storing bytes.
5670 (m68k_secondary_reload_class): New function.
5671 (m68k_preferred_reload_class): Likewise.
5672
5673 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5674
5675 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5676 leaf functions.
5677 (m68k_expand_prologue): Likewise.
5678
5679 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5680
5681 * config/m68k/m68k-protos.h (output_sibcall): Declare.
5682 (mips_expand_epilogue): Add a bool parameter.
5683 (m68k_legitimize_sibcall_address): Declare.
5684 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5685 (m68k_expand_epilogue): Add a parameter to select between sibling
5686 and normal epilogues. Only generate a return for the latter.
5687 (m68k_ok_for_sibcall_p): New function.
5688 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5689 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5690 (sibcall_value, *sibcall_value): Likewise.
5691 (*call, *call_value): Require !SIBLING_CALL_P.
5692 (epilogue): Update call to m68k_expand_epilogue.
5693 (sibcall_epilogue): New pattern.
5694 * config/m68k/predicates.md (const_call_operand): Say that this
5695 predicate applies to sibling calls too.
5696 (sibcall_operand): New predicate.
5697
5698 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5699
5700 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5701 alternatives as movsi_cf.
5702 (movsf_cf_hard): Add commentary.
5703
5704 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
5705 Richard Sandiford <richard@codesourcery.com>
5706
5707 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5708 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5709 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5710 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
5711 as being live on exit from an interrupt function.
5712 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5713 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5714 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5715 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5716 (m68k_interrupt_function_p): Globalize.
5717 (m68k_compute_frame_layout): Remove reverse mask code.
5718 (m68k_emit_movem, m68k_set_frame_related): New functions.
5719 (m68k_output_function_prologue): Delete in favor of...
5720 (m68k_expand_prologue): ...this new function.
5721 (m68k_output_function_epilogue): Delete in favor of...
5722 (m68k_expand_epilogue): ...this new function.
5723 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5724 functions.
5725 (print_operand): Handle %?.
5726 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5727 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5728 (prologue, epilogue): New patterns.
5729 (return): Turn into a define_expand.
5730 (*return): New pattern, derived from old "return" pattern. Use rte
5731 rather than rts for interrupt functions. Only use rtd if the pop
5732 count is nonzero.
5733 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5734 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5735 (link, *link, unlink, *unlink, load_got): Likewise.
5736
5737 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5738
5739 PR target/23482
5740 PR target/17114
5741 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5742 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5743 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5744 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5745 and m68k_matches_u_p.
5746 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5747 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5748 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5749 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5750 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5751 (REG_STRICT_P): New macro.
5752 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5753 PCREL_GENERAL_OPERAND_OK.
5754 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
5755 m68k_legitimate_base_reg_p.
5756 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5757 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5758 (PIC_CASE_VECTOR_ADDRESS): Update comment.
5759 * config/m68k/m68k.c (m68k_address): New structure.
5760 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5761 (m68k_decompose_index, m68k_legitimate_constant_address_p)
5762 (m68k_jump_table_ref_p, m68k_decompose_address)
5763 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5764 (m68k_matches_u_p): New functions.
5765 (print_operand_address): Rewrite to use m68k_decompose_index.
5766
5767 2007-03-05 David Taylor <dtaylor@emc.com>
5768
5769 * gcc.c: Correct copyright date in --version output.
5770
5771 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5772
5773 * pa.md: In unamed move patterns, disparge copies between general
5774 and floating point registers using '?' modifier. Don't include 'f'
5775 constraint for register preferences in DImode, SImode, HImode and
5776 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
5777 Remove constraints for copies between general and floating registers
5778 in soft-float DFmode pattern.
5779 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5780 floating register.
5781 (movsf): Likewise.
5782
5783 2007-03-05 Mike Stump <mrs@apple.com>
5784
5785 * c-common.c (targetcm): Add.
5786 * c-opts.c (c_common_handle_option): Handle language specific
5787 target options.
5788 * opts.c (handle_option): Verify language for target options, if
5789 any are given.
5790 * opth-gen.awk: Add CL_LANG_ALL.
5791 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5792 (TARGETCM_INITIALIZER): Add.
5793 * target.h (struct gcc_targetcm): Add.
5794 (targetcm): Add.
5795 * targhooks.c (default_handle_c_option): Add.
5796 * targhooks.h (default_handle_c_option): Add.
5797 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5798
5799 * config/darwin.opt (iframework): Add.
5800 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5801 * config/darwin-c.c (handle_c_option): Add.
5802 (TARGET_HANDLE_C_OPTION): Add.
5803 (targetcm): Add.
5804 * doc/invoke.texi (Darwin Options): Add -iframework.
5805
5806 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5807
5808 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5809 conversion.
5810
5811 2007-03-05 Ian Lance Taylor <iant@google.com>
5812
5813 * c.opt (fgnu89-inline): New option.
5814 * c-opts.c (c_common_post_options): Set default value for
5815 flag_gnu89_inline.
5816 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5817 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5818 inline functions.
5819 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5820 (grokdeclarator, start_function): Likewise.
5821 * c-cppbuiltin.c (c_cpp_builtins): Define either
5822 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5823 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5824 (C Dialect Options): Document -fgnu89-inline.
5825 * doc/extend.texi (Function Attributes): Explain what the
5826 gnu_inline attribute does.
5827 * doc/cpp.texi (Common Predefined Macros): Document
5828 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5829
5830 2007-03-05 Ian Lance Taylor <iant@google.com>
5831
5832 PR tree-optimization/31034
5833 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5834 half-range if the other side is an overflow infinity.
5835
5836 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
5837
5838 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5839 (bfin*-linux-uclibc*): New configuration.
5840 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5841 defining.
5842 * config/bfin/linux.h: New file.
5843 * config/bfin/libgcc-bfin.ver: New file.
5844 * config/bfin/t-bfin-uclinux: New file.
5845 * config/bfin/t-bfin-linux: New file.
5846 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5847 (TARGET_OS_CPP_BUILTINS): New macro.
5848
5849 2007-03-05 Richard Guenther <rguenther@suse.de>
5850
5851 * fold-const.c (fold_binary): Remove duplicate folding
5852 of comparison of non-null ADDR_EXPR against null.
5853
5854 2007-03-05 Richard Guenther <rguenther@suse.de>
5855 Dorit Nuzman <dorit@il.ibm.com>
5856
5857 PR tree-optimization/26420
5858 * tree-vectorizer.c (vectorize_loops): Bail out early if there
5859 are no loops in the function. Only print the number of
5860 vectorized loops if it is greater than zero or we are supposed
5861 to print information about unvectorized loops.
5862
5863 2007-03-05 Revital Eres <eres@il.ibm.com>
5864
5865 * gcc.dg/var-expand1.c: New test.
5866 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5867 when an accumulator is expanded.
5868
5869 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5870
5871 PR other/30465
5872 * c-common.c (convert_and_check): Don't give warnings for
5873 conversion if 'expr' already overflowed.
5874
5875 2007-03-04 Roger Sayle <roger@eyesopen.com>
5876
5877 PR middle-end/30744
5878 * fold-const.c (fold_comparison): Enforce type consistency when
5879 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5880
5881 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
5882
5883 * tree-ssa-address.c (create_mem_ref): Do not put an expression
5884 containing a cast to the base of TARGET_MEM_REF.
5885
5886 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
5887
5888 * tree.c (tree_contains_struct_check_failed): Remove spurious
5889 whitespace from error message.
5890
5891 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5892
5893 PR target/30406
5894 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5895 instead of precision.
5896
5897 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
5898 Nathan Sidwell <nathan@codesourcery.com>
5899
5900 * emit-rtl.c (find_auto_inc): New.
5901 (try_split): recreate REG_INC notes,
5902 Use regular for loops rather than whiles.
5903
5904 2007-03-03 Andreas Schwab <schwab@suse.de>
5905
5906 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5907 * configure: Regenerate.
5908
5909 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5910
5911 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5912 flag_rounding_math, not flag_unsafe_math_optimizations.
5913
5914 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5915 fold_build2.
5916 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5917 alpha_fold_vector_minmax): Likewise.
5918 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5919 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5920
5921 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
5922
5923 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5924 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5925 if the lhs has side-effects.
5926 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5927
5928 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
5929
5930 * config/i386/i386.h (TUNEMASK): Remove define.
5931 (ARCHMASK): Remove define.
5932 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5933 Use ix86_arch_mask variable instead of ARCHMASK.
5934 * config/i386/i386.c (override_options): Ditto.
5935 (standard_80387_constant_p): Ditto.
5936
5937 2007-03-02 Ian Lance Taylor <iant@google.com>
5938
5939 Used signed infinities in VRP.
5940 * tree-vrp.c (uses_overflow_infinity): New static function.
5941 (supports_overflow_infinity): New static function.
5942 (make_overflow_infinity): New static function.
5943 (negative_overflow_infinity): New static function.
5944 (positive_overflow_infinity): New static function.
5945 (is_negative_overflow_infinity): New static function.
5946 (is_positive_overflow_infinity): New static function.
5947 (is_overflow_infinity): New static function.
5948 (overflow_infinity_range_p): New static function.
5949 (compare_values_warnv): New function split out of compare_values.
5950 (compare_value): Call it.
5951 (set_value_range_to_nonnegative): Add overflow_infinity
5952 parameter. Change caller.
5953 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
5954 Change callers.
5955 (vrp_expr_computes_nonzero): Likewise.
5956 (compare_ranges, compare_range_with_value): Likewise.
5957 (compare_name_with_value, compare_names): Likewise.
5958 (vrp_evaluate_conditional): Likewise.
5959 (set_value_range): Handle infinity
5960 (vrp_operand_equal_p, operand_less_p): Likewise.
5961 (extract_range_from_assert): Likewise.
5962 (vrp_int_const_binop): Likewise.
5963 (extract_range_from_binary_expr): Likewise.
5964 (extract_range_from_unary_expr): Likewise.
5965 (extract_range_from_comparison): Likewise.
5966 (extract_range_from_expr): Likewise.
5967 (dump_value_range): Likewise.
5968 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
5969 (test_for_singularity): Likewise.
5970 (vrp_int_const_binop): Remove inline qualifier.
5971 (adjust_range_with_scev): Add comment.
5972 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5973
5974 2007-03-02 Diego Novillo <dnovillo@redhat.com>
5975
5976 * tree-ssa-structalias.c (could_have_pointers): Tidy.
5977 (get_constraint_for): Likewise.
5978 (do_structure_copy): Likewise.
5979 (find_func_aliases): Fix references to MODIFY_EXPR.
5980 (intra_create_variable_infos): Tidy.
5981 * tree-ssa-operands.c (add_virtual_operand): Add argument
5982 IS_CALL_SITE.
5983 When adding members of alias sets, if IS_CALL_SITE is true and
5984 the symbol is not call-clobbered, skip it.
5985 Adjust all callers.
5986
5987 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
5988
5989 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
5990 entry by means of emit_insn_at_entry.
5991
5992 2007-03-02 Richard Henderson <rth@redhat.com>
5993
5994 * expr.h (promoted_input_arg): Remove decl.
5995 * function.c (promoted_input_arg): Merge into ...
5996 * combine.c (setup_incoming_promotions): ... only caller.
5997 Rearrange to avoid double loop.
5998
5999 2007-03-02 Ben Elliston <bje@au.ibm.com>
6000 Peter Bergner <bergner@vnet.ibm.com>
6001 Janis Johnson <janis187@us.ibm.com>
6002
6003 * config/rs6000/dfp.md: New file.
6004 * config/rs6000/rs6000.md: Include dfp.md.
6005 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6006 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6007 and TDmode decimal float modes in FP registers.
6008 (num_insns_constant): Likewise.
6009 (rs6000_legitimate_offset_address_p): Likewise.
6010 (rs6000_legitimize_address): Likewise.
6011 (rs6000_legitimize_reload_address): Likewise.
6012 (rs6000_legitimate_address): Likewise.
6013 (rs6000_emit_move): Likewise.
6014 (function_arg_boundary): Likewise.
6015 (function_arg_advance): Likewise.
6016 (rs6000_darwin64_record_arg_recurse): Likewise.
6017 (function_arg): Likewise.
6018 (rs6000_gimplify_va_arg): Likewise.
6019 (rs6000_split_multireg_move): Likewise.
6020 (rs6000_output_function_epilogue): Likewise.
6021 (rs6000_output_function_epilogue): Likewise.
6022 (rs6000_register_move_cost): Likewise.
6023 (rs6000_function_value): Likewise.
6024 (rs6000_libcall_value): Likewise.
6025
6026 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6027
6028 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6029
6030 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6031
6032 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6033 Use $MULTIDIR to choose between the kernel and RTP headers,
6034 and use $WIND_BASE and $WIND_USR to locate them.
6035
6036 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6037
6038 * config/i386/i386.c (override_options): Put initialization of
6039 ix86_tune_mask and ix86_arch_mask to the correct place.
6040
6041 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6042 Michael Meissner <michael.meissner@amd.com>
6043
6044 PR target/31019
6045 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6046 (ARCHMASK): Define.
6047 (TARGET_CMOVE): Use ARCHMASK.
6048 (TARGET_CMPXCHG): Ditto.
6049 (TARGET_CMPXCHG8B): Ditto.
6050 (TARGET_XADD): Ditto.
6051 (TARGET_BSWAP): Ditto.
6052 * config/i386/i386.c (ix86_tune_mask): New global variable.
6053 (ix86_arch_mask): Ditto.
6054 (override_options): Initialize ix86_tune_mask and
6055 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6056 target_flags.
6057
6058 2007-03-02 Ben Elliston <bje@au.ibm.com>
6059
6060 PR 30992
6061 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6062
6063 2007-03-02 Joseph Myers <joseph@codesourcery.com>
6064
6065 * target.h (init_dwarf_reg_sizes_extra): New target hook.
6066 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6067 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6068 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6069 hook.
6070 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6071 rs6000_init_dwarf_reg_sizes_extra): New.
6072 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6073 SPE register high parts.
6074
6075 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
6076
6077 * Makefile.in: Add install-pdf target as
6078 copied from automake v1.10 rules.
6079 * configure.ac: Add install-pdf to target list.
6080 * configure: Regenerate.
6081
6082 2007-03-01 Paul Brook <paul@codesourcery.com>
6083
6084 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6085 modes to LDRD for DImode.
6086 (output_move_double): Fixup out of range ldrd/strd.
6087 (vfp_secondary_reload_class): Rename...
6088 (coproc_secondary_reload_class): ... to this. Add wb argument.
6089 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6090 coproc_secondary_reload_class for CLASS_IWMMXT.
6091 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6092 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6093
6094 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
6095
6096 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
6097 factor by the estimated number of iterations.
6098 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6099 prefetch latency.
6100
6101 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6102 decode_caches_intel, detect_caches_intel): New functions.
6103 (host_detect_local_cpu): Use detect_caches_amd and
6104 detect_caches_intel.
6105
6106 2007-03-01 Richard Henderson <rth@redhat.com>
6107
6108 * expr.c (emit_move_complex_push): Export.
6109 (emit_move_complex_parts): Split out from ...
6110 (emit_move_complex): ... here.
6111 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6112 * config/i386/i386.md (movcdi): New.
6113
6114 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
6115
6116 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6117 size of mode1 to check for tieable modes in MMX case.
6118
6119 2007-03-01 Richard Sandiford <richard@codesourcery.com>
6120
6121 * Makefile.in (rtlanal.o): Depend on tree.h.
6122 * rtl.h (offset_within_section_p, split_const): Declare.
6123 * rtlanal.c: Include tree.h.
6124 (offset_within_block_p): New function, taken from
6125 mips_offset_within_object_p.
6126 (split_const): New function, taken from mips_split_const.
6127 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6128 Declare.
6129 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6130 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6131 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6132 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6133 (m68k_illegitimate_symbolic_constant_p): New function.
6134 * config/m68k/m68k.md (movsi): Remove misleading predicates.
6135 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6136 symbolic constant that might be outside the symbol's section,
6137 move the symbol first and then add the offset.
6138 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6139 Override.
6140 * config/mips/mips.c (mips_split_const): Delete.
6141 (mips_offset_within_object_p): Delete.
6142 (mips_symbolic_constant_p): Use offset_within_section_p and
6143 split_const instead of mips_offset_within_object_p and
6144 mips_split_const.
6145 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6146 (mips_legitimize_const_move, print_operand_reloc)
6147 (mips_dangerous_for_la25_p): Use split_const instead of
6148 mips_split_const.
6149
6150 2007-02-28 Eric Christopher <echristo@apple.com>
6151
6152 * Makefile.in (install-include-dir): Don't rm -rf include.
6153
6154 2007-02-28 Richard Guenther <rguenther@suse.de>
6155
6156 PR middle-end/30364
6157 * fold-const.c (fold_binary): Do not associate expressions
6158 with more than one variable for integer types that do not wrap.
6159
6160 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
6161
6162 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6163 Delete, and replace with...
6164 (fold_builtin_call_array): This. Update callers to use it.
6165 * fold-const.c (fold_build_call_list): Delete, and replace with...
6166 (fold_build_call_array): This.
6167 (fold_build_call_list_initializer): Delete, and replace with...
6168 (fold_build_call_array_initializer): This.
6169 * tree.h: Update declarations to reflect above changes.
6170
6171 * c-typeck.c (build_function_call): Store converted arguments
6172 in a stack-allocated array instead of building a list.
6173 (convert_arguments): Store arguments in the array passed in as an
6174 argument, and return the actual number of arguments.
6175 * c-format.c: (check_function_format): Pass arguments in an
6176 array instead of a list.
6177 * c-common.c (check_function_nonnull): Likewise.
6178 (check_function_sentinel): Likewise.
6179 (check_function_arguments): Likewise.
6180 * c-common.h: Update declarations to reflect above changes.
6181
6182 2007-02-28 Jan Hubicka <jh@suse.cz>
6183
6184 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6185 PRED_NEGATIVE_RETURN): Update outcomes.
6186
6187 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
6188
6189 * calls.c (emit_library_call_value_1): Handle partial registers
6190 correctly when building up CALL_INSN_FUNCTION_USAGE.
6191
6192 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6193
6194 * pa/predicates.md (move_src_operand): Allow zero for mode.
6195 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6196 move pattern.
6197
6198 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
6199
6200 PR target/30970
6201 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6202 *movv2df_internal): Enable pattern only for valid operand
6203 combinations.
6204 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6205 tie only 128bit modes. For MMX registers, tie only 64bit modes.
6206
6207 2007-02-27 Mike Stump <mrs@apple.com>
6208
6209 * config/darwin-crt3.c: Avoid compilation when compiling for a
6210 kext multilib.
6211
6212 2007-02-27 Joseph Myers <joseph@codesourcery.com>
6213
6214 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6215 FIXED_INCLUDE_DIR.
6216 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6217 for fixed headers and limits.h.
6218 (install-include-dir, install-headers-tar, install-headers-cpio,
6219 install-headers-cp, real-install-headers-tar,
6220 real-install-headers-cpio, real-install-headers-cp): Handle
6221 include-fixed as well as include.
6222 (install-mkheaders): Don't install files that go only in include
6223 not include-fixed.
6224 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6225 from GCC_INCLUDE_DIR.
6226 * gcc.c (process_command): Remove special -BstageN/ handling.
6227 (do_spec_1): Add include-fixed directories.
6228
6229 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6230
6231 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6232 _smulsi3_highpart.
6233 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6234 New functions.
6235 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6236 patterns.
6237
6238 2007-02-27 Mark Mitchell <mark@codesourcery.com>
6239
6240 * c-common.c (get_priority): Add check for
6241 SUPPORTS_INIT_PRIORITY.
6242
6243 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6244
6245 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6246
6247 * config/bfin/bfin.c: Include "cfglayout.h".
6248 (MAX_LSETUP_DISTANCE): New macro.
6249 (struct loop_info): New members incoming, incoming_src and
6250 incoming_dest. Delete member predecessor.
6251 (length_for_loop): New function.
6252 (bfin_optimize_loop): Handle more different loop structures.
6253 (bfin_discover_loop): Rework detection of predecessor blocks by
6254 examining incoming edges.
6255 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6256 bfin_reorg_loops.
6257 (bfin_reorder_loops): New function.
6258 (bfin_reorg_loops): Use these three new functions.
6259
6260 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6261 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6262 (CONSTRAINT_LEN): Add entry for 'q'.
6263 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6264 Add 'q' constraints.
6265 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6266 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6267
6268 * config/bfin/bfin.md (add_with_carry): New pattern.
6269 (s_or_u, su_optab, su_modifier): New code macros/attrs.
6270 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6271 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6272 support unsigned multiplies too. Removed incorrect commutativity from
6273 operand 1 constraint where appropriate.
6274 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6275 patterns.
6276 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6277 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6278 New patterns.
6279 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6280 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6281 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6282 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6283 usmulhisi_hh_huh): New patterns.
6284
6285 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6286 lshifthi3): Fix output template to use half reg for operand 2.
6287
6288 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6289 instead of R2.
6290
6291 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6292
6293 2007-02-27 Andreas Schwab <schwab@suse.de>
6294
6295 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6296
6297 2007-02-27 Jan Hubicka <jh@suse.cz>
6298
6299 * predict.c (last_basic_block_p): Remove.
6300 (tree_estimate_probability): Update return heuristic for commonized
6301 return blocks.
6302
6303 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6304
6305 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6306
6307 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6308
6309 * doc/include/gcc-common.texi (versionsubtitle): New macro.
6310 * doc/cpp.texi: Standardize title page.
6311 * doc/cppinternals.texi: Likewise.
6312 * doc/gcc.texi: Standardize title page, remove version number
6313 from copyright page.
6314 * doc/gccint.texi: Likewise.
6315 * doc/install.texi: Standardize title page, add table of
6316 contents.
6317
6318 2007-02-26 Jan Hubicka <jh@suse.cz>
6319
6320 * predict.def: Set outcomes according to more recent results.
6321 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6322 Remove dead predictors.
6323 * predict.c (return_prediction): Fix pasto.
6324
6325 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6326
6327 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6328 change; avoid a memory leak when returning early.
6329
6330 2007-02-26 Mark Mitchell <mark@codesourcery.com>
6331
6332 * c-decl.c (static_ctors): Move to c-common.c.
6333 (static_dtors): Likewise.
6334 (finish_function): Use c_record_cdtor_fn.
6335 (build_cdtor): Move to c-common.c.
6336 (c_write_global_declarations): Use c_build_cdtor_fns.
6337 * c-common.h (static_ctors): Declare.
6338 (static_dtors): Likewise.
6339 (c_record_cdtor_fn): Likewise.
6340 (c_build_cdtor_fns): Likewise.
6341 * c-common.c (static_ctors): New variable.
6342 (static_dtors): Likewise.
6343 (c_record_cdtor_fn): New function.
6344 (build_cdtor): Move from c-decl.c
6345 (c_build_cdtor_fns): New function.
6346
6347 * output.h (assemble_addr_to_section): Declare.
6348 (get_cdtor_priority_section): Likewise.
6349 * varasm.c (assemble_addr_to_section): New function.
6350 (get_cdtor_priority_section): Likewise.
6351 (default_named_section_asm_out_destructor): Use them.
6352 (destor_dtor_section_asm_out_destructor): Likewise.
6353 (default_named_section_asm_out_constructor): Likewise.
6354 (default_ctor_section_asm_out_constructor): Likewise.
6355 * config.gcc (*-*-vxworks*): Include vxworks.o.
6356 * config/t-vxworks (vxworks.o): New target.
6357 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6358 (TARGET_ASM_CONSTRUCTOR): Define.
6359 (TARGET_ASM_DESTRUCTOR): Likewise.
6360 (vxworks_asm_out_constructor): Declare.
6361 (vxworks_asm_out_destructor): Likewise.
6362
6363 * c-common.c (get_priority): Check that we have not just an
6364 INTEGER_CST, but an integer constant with integeral type.
6365
6366 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
6367
6368 PR tree-optimization/30938
6369 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6370 use &dt[nargs-1] instead of &dt[nargs] in the call to
6371 vect_is_simple_use().
6372
6373 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
6374
6375 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6376 from register elimination as PRE_MODIFY / POST_MODIFY increments.
6377 Do not attempt to handle MEM inside auto-inc expressions.
6378 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6379 of a register modified by an auto-inc expression. However, do handle
6380 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6381 (elimination_effects): Prohibit elimination of a register modified
6382 by an auto-inc expression. Disable register elimination rules whose
6383 target register is modified by an auto-inc expression with variable
6384 increment.
6385
6386 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
6387
6388 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6389 off-by-one error.
6390 (array_at_struct_end_p): New function.
6391 (idx_infer_loop_bounds): Use it.
6392 (estimate_numbers_of_iterations_loop): Export.
6393 * predict.c (predict_loops): Use estimated_loop_iterations_int.
6394 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6395 (tree_estimate_probability): Call record_loop_exits.
6396 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6397 (estimated_loop_iterations, estimated_loop_iterations_int,
6398 estimated_loop_iterations_tree): New functions.
6399 (analyze_siv_subscript_cst_affine,
6400 compute_overlap_steps_for_affine_1_2,
6401 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6402 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6403 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6404 (PRED_LOOP_ITERATIONS_GUESSED): New.
6405 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6406 * cfgloop.h (estimate_numbers_of_iterations_loop,
6407 estimated_loop_iterations_int): Declare.
6408
6409 2007-02-25 Mark Mitchell <mark@codesourcery.com>
6410
6411 * doc/extend.texi: Document optional priority argument to
6412 constructors and destructors.
6413 * tree.c (init_priority_for_decl): Adjust GTY markers.
6414 (init_ttree): Use priority-info hash functions for
6415 init_priority_for_decl.
6416 (tree_map_eq): Rename to ...
6417 (tree_map_base_eq): ... this.
6418 (tree_map_marked_p): Rename to ...
6419 (tree_map_base_marked_p): ... this.
6420 (tree_map_base_hash): New function.
6421 (decl_init_priority_lookup): Rework.
6422 (decl_fini_priority_lookup): New function.
6423 (decl_priority_info): New function.
6424 (decl_init_priority_insert): Use it.
6425 (decl_fini_priority_insert): Likewise.
6426 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6427 hierarchy.
6428 (decl_restrict_base_insert): Likewise.
6429 (decl_debug_expr_insert): Likewise.
6430 (decl_value_expr_lookup): Likewise.
6431 (decl_value_expr_insert): Likewise.
6432 * tree.h (priority_type): New type.
6433 (decl_init_priority_lookup): Use priority_type.
6434 (decl_fini_priority_lookup): New function.
6435 (decl_init_priority_insert): Use priority_type.
6436 (decl_fini_priority_insert): New function.
6437 (DECL_HAS_INIT_PRIORITY): Tweak comments.
6438 (DECL_INIT_PRIORITY): Likewise.
6439 (SET_DECL_INIT_PRIORITY): Add comment.
6440 (DECL_FINI_PRIORITY): New macro.
6441 (SET_DECL_FINI_PRIORITY): Likewise.
6442 (DEFAULT_INIT_PRIORITY): Document.
6443 (MAX_INIT_PRIORITY): Likewise.
6444 (MAX_RESERVED_INIT_PRIORITY): Likewise.
6445 (tree_map_base): New type.
6446 (tree_map_base_eq): New function.
6447 (tree_map_base_hash): Likewise.
6448 (tree_map_base_marked_p): Likewise.
6449 (tree_map): Inherit from tree_map_base.
6450 (tree_map_eq): Make it a macro.
6451 (tree_map_marked_p): Likewise.
6452 (tree_int_map): Inherit from tree_map_base.
6453 (tree_int_map_eq): Make it a macro.
6454 (tree_int_map_hash): Likewise.
6455 (tree_int_map_marked_p): Likewise.
6456 (tree_priority_map): New type.
6457 (tree_priority_map_eq): New macro.
6458 (tree_priority_map_hash): Likewise.
6459 (tree_priority_map_marked_p): Likewise.
6460 * varasm.c (emults_decl): Adjust for refactoring of tree_map
6461 hierarchy.
6462 (emutls_common_1): Likewise.
6463 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6464 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6465 of tree_map hierarchy.
6466 * tree-cfg.c (move_stmt_r): Likewise.
6467 (new_label_mapper): Likewise.
6468 * c-tree.h (c_expand_body): Move to ...
6469 * c-common.h (c_expand_body): ... here.
6470 * c-decl.c (c_expand_body): Move to ...
6471 * c-common.c (c_expand_body): ... here.
6472 (c_common_attribute_table): Allow 1 argument for the constructor
6473 and destructor attributes.
6474 (get_priority): New function.
6475 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6476 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6477
6478 2007-02-24 Jan Hubicka <jh@suse.cz>
6479
6480 PR middle-end/30509
6481 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6482
6483 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6484 Jan Hubicka <jh@suse.cz>
6485
6486 PR target/30778
6487 * i386.c (counter_mode): New function.
6488 (expand_set_or_movmem_via_loop): Use it.
6489 (expand_movmem_epilogue): Likewise; fix pasto.
6490 (ix86_expand_movmem): Do emit guard even for constant counts.
6491 (ix86_expand_setmem): Likewise.
6492
6493 2007-02-25 Nick Clifton <nickc@redhat.com>
6494
6495 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6496 (JUMP_TABLES_IN_TEXT_SECTION): Define.
6497
6498 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6499
6500 PR target/30770
6501 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6502 count argument with 0x10, not with 0x16.
6503 (expand_setmem_epilogue): Ditto.
6504
6505 2007-02-24 Mike Stump <mrs@apple.com>
6506
6507 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6508 symbols.
6509
6510 2007-02-24 Richard Guenther <rguenther@suse.de>
6511
6512 PR middle-end/30951
6513 * fold-const.c (fold_binary): Fold x +- CST op x for
6514 EQ_EXPR and NE_EXPR.
6515
6516 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6517
6518 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6519
6520 2007-02-24 Jan Hubicka <jh@suse.cz>
6521
6522 * cgraphunit.c (decide_is_function_needed): Honor
6523 -fkeep-inline-functions.
6524
6525 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6526
6527 * builtins.c (fold_builtin_modf): New.
6528 (fold_builtin_2): Use it.
6529
6530 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
6531
6532 * loop-iv.c (implies_p): Detect additional cases where A implies B.
6533 (determine_max_iter): Take additional LOOP arg; all callers changed.
6534 Lose broken logic dealing with PLUS. Try to limit the upper bound by
6535 one using simplifications.
6536 (simplify_using_initial_values): Return if the expression becomes
6537 invalid due to altered regs.
6538
6539 2007-02-23 DJ Delorie <dj@redhat.com>
6540
6541 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6542
6543 2007-02-23 Mike Stump <mrs@apple.com>
6544
6545 * tlink.c (scan_linker_output): Parse linker messages from
6546 darwin9's linker better.
6547
6548 2007-02-23 Steve Ellcey <sje@cup.hp.com>
6549
6550 PR debug/29614
6551 * varpool.c (varpool_assemble_pending_decls): Set
6552 varpool_last_needed_node to null.
6553
6554 2007-02-23 DJ Delorie <dj@redhat.com>
6555
6556 * config/i386/i386.c (ix86_data_alignment): Don't specify an
6557 alignment bigger than the object file can handle.
6558
6559 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
6560
6561 PR target/30825
6562 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6563 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6564 (*movsf_1): Penalize MMX moves.
6565
6566 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
6567
6568 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6569 2^32-1 or more times unless flag_unsafe_loop_optimizations.
6570
6571 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6572
6573 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6574
6575 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6576 (fold_builtin_1): Use them.
6577 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6578 BUILT_IN_SIGNIFICAND.
6579
6580 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
6581
6582 * config/i386/i386.c (bdesc_1arg): Initialize
6583 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6584 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6585 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6586 and IX86_BUILTIN_MOVSLDUP.
6587
6588 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
6589
6590 PR rtl-optimization/30841
6591 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6592
6593 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6594
6595 * builtins.c (fold_builtin_frexp): New.
6596 (fold_builtin_2): Use it.
6597
6598 2007-02-22 Mark Mitchell <mark@codesourcery.com>
6599
6600 * doc/invoke.texi (Spec Files): Document getenv spec function.
6601
6602 * gcc.c (getenv_spec_function): New function.
6603 (static_spec_functions): Add it.
6604 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6605 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6606 header files.
6607
6608 2007-02-22 Michael Matz <matz@suse.de
6609
6610 PR c++/29433
6611 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6612 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6613
6614 2007-02-22 Ian Lance Taylor <iant@google.com>
6615
6616 PR debug/30898
6617 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6618 (mem_loc_descriptor): Call it.
6619
6620 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
6621 Ira Rosen <irar@il.ibm.com>
6622
6623 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6624
6625 2007-02-22 Ira Rosen <irar@il.ibm.com>
6626
6627 PR tree-optimization/30843
6628 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6629 stores only after all the group is vectorized.
6630
6631 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
6632
6633 PR tree-optimization/30858
6634 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6635 in the reduction cycle have a single use in the loop.
6636 * tree-vectorizer.h (relevant): Add documentation.
6637
6638 2007-02-20 Mike Stump <mrs@apple.com>
6639
6640 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6641 * configure: Regenerate.
6642
6643 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
6644
6645 Change the defaults of some parameters and options.
6646 * config/spu/spu-protos.h (spu_optimization_options): Declare.
6647 * config/spu/spu.c (spu_optimization_options): Add.
6648 (spu_override_options): Change params in spu_optimization_options.
6649 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6650
6651 Register 127 is only 16 byte aligned when used as a frame pointer.
6652 * config/spu/spu-protos.h (spu_init_expanders): Declare.
6653 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6654 HARD_FRAME_POINTER_REGNUM.
6655 (spu_legitimate_address): Use regno_aligned_for_reload.
6656 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
6657 aligned when frame_pointer_needed is true.
6658 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
6659 to 8 bits.
6660 * config/spu/spu.h (INIT_EXPANDERS): Define.
6661
6662 Make sure shift and rotate instructions have valid immediate operands.
6663 * config/spu/predicates.md (spu_shift_operand): Remove.
6664 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6665 * config/spu/constraints.md (W, O): Extend range.
6666 * config/spu/spu.md (umask, nmask): Define.
6667 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6668 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6669 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6670 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6671 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
6672 (lshr<mode>3_reg): Fix rtl description.
6673
6674 Make sure mulhisi immediate operands are valid.
6675 * config/spu/predicates.md (imm_K_operand): Add.
6676 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6677
6678 Generate constants using fsmbi and andi.
6679 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6680 (print_operand, spu_split_immediate, classify_immediate,
6681 fsmbi_const_p): Handle IC_FSMBI2.
6682
6683 Correctly handle a CONST_VECTOR containing symbols.
6684 * config/spu/spu.c (print_operand): Handle HIGH correctly.
6685 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6686 (immediate_load_p): Allow symbols that use 2 instructions to create.
6687 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
6688 with symbols when flag_pic is set.
6689 (const_vector_immediate_p): New.
6690 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6691 accept a CONST_VECTOR with symbols.
6692 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
6693 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
6694 correctly.
6695 * config/spu/spu.md (high, low): Delete.
6696 (low_<mode>): Define.
6697
6698 Remove INTRmode and INTR_REGNUM, which didn't work.
6699 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6700 of INTR_REGNUM.
6701 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6702 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6703 peephole2 pattern): Don't use INTR or 131.
6704 (movintrcc): Delete.
6705 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6706 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6707 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6708 (UNSPEC_SET_INTR): Add.
6709 * config/spu/spu-modes.def (INTR): Remove.
6710
6711 More accurate warnings about run-time relocations.
6712 * config/spu/spu.c (reloc_diagnostic): Test in_section.
6713
6714 Correctly warn about immediate arguments to specific intrinsics.
6715 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6716 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6717 the instruction predicate.
6718
6719 Fix tree check errors with latest update.
6720 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6721 CALL_EXPR_ARG.
6722 (spu_expand_builtin): Use CALL_EXPR_FN.
6723
6724 Add missing specific intrinsics.
6725 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6726 si_bislede.
6727 * config/spu/spu_internals.h: Ditto.
6728
6729 Fix incorrect operand modifiers.
6730 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
6731 * config/spu/spu.md (xor<mode>3): Change %S to %J.
6732
6733 Optimize one case of zero_extend of a vec_select.
6734 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
6735
6736 Accept any immediate for hbr.
6737 * config/spu/spu.md (hbr): Change s constraints to i.
6738
6739 2007-02-21 Paul Brook <paul@codesourcery.com>
6740
6741 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6742 condexec_count when skipping USE and CLOBBER.
6743
6744 2007-02-21 Nick Clifton <nickc@redhat.com>
6745
6746 * common.opt (Warray-bounds): Add Warning attribute.
6747 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6748 Likewise.
6749 (fsized-zeroes): Add Optimization attribute.
6750 (fsplit-wide-types, ftree-scev-cprop): Likewise.
6751 * c.opt (Wc++0x-compat): Add Warning attribute.
6752
6753 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
6754
6755 PR middle-end/30761
6756 * reload1.c (eliminate_regs_in_insn): In the single_set special
6757 case, attempt to re-recognize the insn before falling back to
6758 having reload fix it up.
6759
6760 2007-02-20 Eric Christopher <echristo@gmail.com>
6761
6762 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6763 Rewrite accordingly.
6764 (frv_read_iacc_argument): Ditto.
6765 (frv_expand_set_builtin): Take a call instead of arglist, update for
6766 above changes.
6767 (frv_expand_unop_builtin): Ditto.
6768 (frv_expand_binop_builtin): Ditto.
6769 (frv_expand_cut_builtin): Ditto.
6770 (frv_expand_binopimm_builtin): Ditto.
6771 (frv_expand_voidbinop_builtin): Ditto.
6772 (frv_expand_int_void2arg): Ditto.
6773 (frv_expand_prefetches): Ditto.
6774 (frv_expand_voidtriop_builtin): Ditto.
6775 (frv_expand_voidaccop_builtin): Ditto.
6776 (frv_expand_load_builtin): Ditto.
6777 (frv_expand_store_builtin): Ditto.
6778 (frv_expand_mdpackh_builtin): Ditto.
6779 (frv_expand_mclracc_builtin): Ditto.
6780 (frv_expand_mrdacc_builtin): Ditto.
6781 (frv_expand_mwtacc_builtin): Ditto.
6782 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6783 calls for above.
6784
6785 2007-02-20 Janis Johnson <janis187@us.ibm.com>
6786
6787 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6788 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6789 cmpb instruction.
6790 (HAVE_GAS_DFP): Check for assembler support of decimal floating
6791 point instructions.
6792 * configure: Regenerate.
6793 * config.in: Regenerate.
6794 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6795 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6796 masks to power6 and power6x and to POWERPC_MASKS.
6797 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6798 _ARCH_PWR6.
6799 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6800 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6801 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6802 Access PROTOTYPE as variable, not mask.
6803
6804 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
6805
6806 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6807 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6808 * combine.c (adjust_for_new_dest): Use it.
6809 * postreload.c (reload_combine): Likewise.
6810
6811 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
6812
6813 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6814 notes on an insn with multiple sets, even if single_set returns
6815 non-NULL for that insn.
6816
6817 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6818
6819 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6820 scalbn and scalbln.
6821
6822 2007-02-20 Geoffrey Keating <geoffk@apple.com>
6823
6824 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6825 if user didn't pass it.
6826 * config/i386/darwin.h (CC1_SPEC): Likewise.
6827 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6828 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6829 -mmacosx-version-min.
6830
6831 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6832 Uros Bizjak <ubizjak@gmail.com>
6833
6834 * optabs.h (enum optab_index): Add new OTI_scalb.
6835 (scalb_optab): Define corresponding macro.
6836 * optabs.c (init_optabs): Initialize scalb_optab.
6837 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6838 patterns.
6839 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6840 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6841 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6842 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6843 flag_unsafe_math_optimizations is set.
6844
6845 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6846 to implement scalbf, scalb and scalbl built-ins as inline x87
6847 intrinsics.
6848
6849 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6850 DJ Delorie <dj@redhat.com>
6851
6852 PR other/30824
6853 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6854 (diagnostic_report_diagnostic): ... here, and turn them into real
6855 errors. If warnings are inhibited, no need to do anything.
6856
6857 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
6858
6859 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6860 better code generation.
6861
6862 2007-02-20 Ben Elliston <bje@au.ibm.com>
6863
6864 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6865
6866 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
6867
6868 * config/alpha/alpha.c, config/alpha/alpha.md,
6869 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6870 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6871 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6872 config/arm/lib1funcs.asm: Follow spelling conventions.
6873
6874 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6875 config/fr30/fr30.md, config/i386/i386.h,
6876 config/iq2000/iq2000.h, config/iq2000/predicates.md,
6877 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6878 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6879 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6880 config/rs6000/altivec.md, config/rs6000/rs6000.c,
6881 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6882 config/sparc/sparc.c, config/sparc/sparc.h,
6883 config/sparc/sparc.md, config/spu/constraints.md,
6884 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6885 conventions.
6886
6887 2007-02-20 Alan Modra <amodra@bigpond.net.au>
6888
6889 PR target/29943
6890 * varasm.c (use_blocks_for_decl_p): Return false for decls with
6891 alias attribute.
6892
6893 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
6894
6895 * doc/invoke.texi (-ftree-lrs): Remove.
6896
6897 2007-02-19 Diego Novillo <dnovillo@redhat.com>
6898
6899 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6900 NULL.
6901
6902 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
6903
6904 * config/ia64/ia64.c (ia64_expand_builtin): Use the
6905 new CALL_EXPR_FN macro for retrieving the function
6906 declaration of the input expression.
6907
6908 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6909
6910 * c.opt (Waddress): New.
6911 * common.opt (Walways-true): Delete.
6912 (Wstring-literal-comparison): Delete.
6913 * doc/invoke.texi (Warning Options): Delete -Walways-true and
6914 -Wstring-literal-comparison. Add -Waddress.
6915 (Waddress): New.
6916 (Walways-true): Delete.
6917 (Wstring-literal-comparison): Delete.
6918 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6919 consistently instead of -Walways-true in example.
6920 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6921 * c-typeck.c (parser_build_binary_op): Replace
6922 -Wstring-literal-comparison and -Walways-true with -Waddress.
6923 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6924 with -Waddress.
6925
6926 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6927
6928 * tree-cfg.c (dump_function_to_file): Be prepared for functions
6929 without DECL_STRUCT_FUNCTION initialized.
6930
6931 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6932
6933 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6934 due to calls to functions taking pointers as parameters.
6935
6936 2007-02-19 Richard Henderson <rth@redhat.com>
6937
6938 PR debug/29558
6939 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6940 in memory.
6941
6942 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
6943
6944 * config/s390/s390.c (s390_call_saved_register_used,
6945 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6946 accessed to the new scheme.
6947
6948 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
6949
6950 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
6951 (cris_print_index, cris_print_operand, cris_print_operand_address)
6952 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
6953 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
6954 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
6955 GET_CODE () == xxx.
6956 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
6957 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
6958 GO_IF_LEGITIMATE_ADDRESS): Ditto.
6959 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
6960 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
6961 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
6962 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
6963 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
6964 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
6965 (uminsi3, call, call_value): Ditto.
6966 (define_split: indir_to_reg_split, unnamed): Ditto.
6967
6968 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
6969
6970 PR tree-optimization/30975
6971 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
6972 wrong assert.
6973
6974 2007-02-18 Eric Christopher <echristo@gmail.com>
6975
6976 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
6977 Remove use of arglist.
6978 (mips_expand_builtin): Remove use of arglist, pass in expr.
6979 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
6980 (mips_expand_builtin_movtf): Ditto.
6981 (mips_expand_builtin_compare): Ditto.
6982
6983 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
6984
6985 * tree-sra.c (sra_build_assignment): Replace assertion
6986 checking with a comment explaining why it can't be done.
6987
6988 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
6989
6990 PR middle-end/30833
6991 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
6992 during CALL_EXPR representation conversion.
6993 * tree-ssa-propagate.c (set_rhs): Likewise.
6994
6995 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
6996
6997 * tree-sra.c (sra_build_assignment): Disable assertion checking
6998 for now.
6999
7000 2007-02-18 Roger Sayle <roger@eyesopen.com>
7001
7002 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7003 instead of calling build2 with a GIMPLE_MODIFY_STMT.
7004 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7005 Likewise.
7006 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7007 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
7008 gimplify_init_ctor_eval_range, gimple_push_cleanup,
7009 gimplify_omp_for, gimplify_omp_atomic_pipeline,
7010 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7011 force_gimple_operand): Likewise.
7012 * ipa-cp.c (constant_val_insert): Likewise.
7013 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7014 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7015 perfect_nestify): Likewise.
7016 * langhooks.c (lhd_omp_assignment): Likewise.
7017 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7018 lower_copyprivate_clauses, lower_send_clauses,
7019 lower_send_shared_vars, expand_parallel_call,
7020 expand_omp_for_generic, expand_omp_for_static_nochunk,
7021 expand_omp_for_static_chunk, expand_omp_sections,
7022 lower_omp_single_copy, lower_omp_for_lastprivate,
7023 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7024 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7025 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7026 Likewise.
7027
7028 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
7029
7030 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7031 config/sh/sh.md: Follow spelling conventions.
7032
7033 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7034 config/frv/predicates.md: Follow spelling conventions.
7035
7036 * config/m68k/linux-unwind.h: Fix a comment typo.
7037 * target.h: Follow spelling conventions.
7038
7039 2007-02-18 Roger Sayle <roger@eyesopen.com>
7040
7041 PR rtl-optimization/28173
7042 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
7043 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7044 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7045 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7046 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7047
7048 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7049
7050 * builtins.c (fold_builtin_load_exponent): New.
7051 (fold_builtin_2): Use it.
7052
7053 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
7054
7055 PR rtl-optimization/30773
7056 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7057 if we fail to attach a REG_EQUIV note.
7058
7059 2007-02-18 David Edelsohn <edelsohn@gnu.org>
7060 Roger Sayle <roger@eyesopen.com>
7061
7062 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7063
7064 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7065
7066 * calls.c (initialize_argument_information): Pass original EXP
7067 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
7068 code to split complex arguments here, as part of initializing the
7069 ARGS array.
7070 (expand_call): Remove code that builds a list of arguments and
7071 inserts implicit arguments into it. Instead, just count how many
7072 implicit arguments there will be so we can determine the size of
7073 the ARGS array, and let initialize_argument_information do the work.
7074 (split_complex_values): Delete unused function.
7075
7076 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7077
7078 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7079
7080 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7081
7082 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7083 for arg pointer based indexed addressing.
7084
7085 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7086
7087 * config/ia64/ia64.h, config/ia64/ia64.md,
7088 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7089 spelling conventions.
7090
7091 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7092
7093 * config/m68k/m68k.c (split_di): New.
7094 * config/m68k/m68k-protos.h: Declare split_di.
7095 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7096 Improve predicate handling and split constant shifts.
7097
7098 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7099
7100 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7101 parameter for register bitfield operations, general predicates
7102 cleanup
7103
7104 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7105
7106 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7107 * config/m68k/linux-unwind.h: New file.
7108
7109 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7110
7111 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7112 config/i386/athlon.md, config/ia64/ia64.md,
7113 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7114 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7115 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7116 tree-ssa-loop-niter.c, tree-vect-analyze.c,
7117 tree-vect-transform.c: Fix comment typos.
7118
7119 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
7120
7121 * sched-deps.c (find_insn_list): Remove.
7122 * sched-int.h: Remove the prototype for find_insn_list.
7123
7124 2007-02-16 Geoffrey Keating <geoffk@apple.com>
7125
7126 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7127 to linker.
7128 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7129 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7130 darwin_rs6000_override_options.
7131 (C_COMMON_OVERRIDE_OPTIONS): Expect
7132 darwin_macosx_version_min to be non-NULL always.
7133 (TARGET_C99_FUNCTIONS): Likewise.
7134 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7135 (DARWIN_MINVERSION_SPEC): New.
7136 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7137 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7138 to cc1*.
7139 (DARWIN_MINVERSION_SPEC): New.
7140 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7141 value.
7142 * config/darwin-c.c (darwin_cpp_builtins): Expect
7143 darwin_macosx_version_min to be non-NULL always.
7144
7145 * config/rs6000/rs6000.c: Clean up trailing whitespace.
7146
7147 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
7148
7149 * config/i386/i386.h (x86_use_xchgb): New.
7150 (TARGET_USE_XCHGB): New macro.
7151 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7152 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7153 Split after reload into bswaphi for shifts of 8.
7154 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7155 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7156 or when optimizing for size.
7157
7158 2007-02-16 Richard Guenther <rguenther@suse.de>
7159 Christian Bruel <christian.bruel@st.com>
7160
7161 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7162 DECLs but prefer SSA_NAMEs over DECLs.
7163
7164 2007-02-16 Richard Guenther <rguenther@suse.de>
7165
7166 * tree-flow-inline.h (single_imm_use_p): Remove.
7167 (zero_imm_uses_p): Likewise.
7168 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7169 instead of single_imm_use_p.
7170 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7171 zero_imm_uses_p.
7172
7173 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7174
7175 PR other/27843
7176 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7177 nested double- and backquotes.
7178
7179 2007-02-15 Roger Sayle <roger@eyesopen.com>
7180
7181 PR middle-end/30391
7182 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
7183 should be unreachable.
7184 (build2_stat): Allow construction of MODIFY_EXPR at any time.
7185 For the time being redirect GIMPLE_MODIFY_STMT to the new
7186 (renamed) build_gimple_modify_stmt_stat.
7187 (build2_gimple_stat): Rename to...
7188 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7189 Always build a GIMPLE_MODIFY_STMT node.
7190 * tree.h (build2_gimple, build2_gimple_stat): Delete.
7191 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7192 declarations.
7193
7194 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7195 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7196 * tree-complex.c (set_component_ssa_name, expand_complex_move,
7197 expand_complex_div_wide): Likewise.
7198 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7199 * tree-ssa-loop-im.c (schedule_sm): Likewise.
7200 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7201 * tree-ssa-loop-manip.c (create_iv): Likewise.
7202 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7203 abs_replacement): Likewise.
7204 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7205 realify_fake_stores): Likewise.
7206
7207 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7208 node rather than a GIMPLE_MODIFY_STMT node.
7209 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7210 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7211 Likewise.
7212 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7213 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7214 GIMPLE_MODIFY_STMT.
7215
7216 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7217
7218 PR middle-end/30433
7219 * fold-const.c (fold_comparison): Add back the
7220 folding of constant complex comparisions.
7221
7222 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7223
7224 PR middle-end/30729
7225 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7226 effects unknown to this function, return early.
7227
7228 2007-02-15 Ian Lance Taylor <iant@google.com>
7229
7230 * lower-subreg.c (move_eh_region_note): New static function.
7231 (resolve_simple_move): Call it.
7232 (decompose_multiword_subregs): Track blocks for which we resolve a
7233 simple move which is also a control flow insn. Pass them to
7234 find_many_sub_basic_blocks.
7235 (pass_lower_subreg): Add TODO_verify_flow.
7236 (pass_lower_subreg2): Likewise.
7237
7238 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7239 Brooks Moses <brooks.moses@codesourcery.com>
7240 Lee Millward <lee.millward@codesourcery.com>
7241
7242 * tree.h (enum tree_code_class): Add tcc_vl_exp.
7243 (VL_EXP_CLASS_P): New.
7244 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7245 TREE_CODE_LENGTH.
7246 (TREE_OPERAND_CHECK_CODE): Likewise.
7247 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7248 (TREE_RTL_OPERAND_CHECK): Likewise.
7249 (tree_operand_check_failed): Make second parameter the whole tree
7250 instead of its code. Fixed callers.
7251 (VL_EXP_CHECK): New.
7252 (TREE_OPERAND_LENGTH): New.
7253 (VL_EXP_OPERAND_LENGTH): New.
7254 (CALL_EXPR_FN): New.
7255 (CALL_EXPR_STATIC_CHAIN): New.
7256 (CALL_EXPR_ARGS): New.
7257 (CALL_EXPR_ARG): New.
7258 (call_expr_nargs): New.
7259 (CALL_EXPR_ARGP): New.
7260 (build_nt_call_list): Declare.
7261 (build_vl_exp_stat): Declare.
7262 (build_vl_exp): New.
7263 (build_call_list): Declare.
7264 (build_call_nary): Declare.
7265 (build_call_valist): Declare.
7266 (build_call_array): Declare.
7267 (call_expr_arg): Declare.
7268 (call_expr_argp): Declare.
7269 (call_expr_arglist): Declare.
7270 (fold_build_call_list): Declare.
7271 (fold_build_call_list_initializer): Declare.
7272 (fold_call_expr): Declare to replace fold_builtin.
7273 (fold_builtin_fputs): Update to agree with modified definition.
7274 (fold_builtin_strcpy): Likewise.
7275 (fold_builtin_strncpy): Likewise.
7276 (fold_builtin_memory_chk): Likewise.
7277 (fold_builtin_stxcpy_chk): Likewise.
7278 (fold_builtin_strncpy_chk): Likewise.
7279 (fold_builtin_next_arg): Likewise.
7280 (fold_build_call_expr): Declare.
7281 (fold_builtin_call_list): Declare.
7282 (fold_builtin_call_valist): Declare.
7283 (build_call_expr): Declare.
7284 (validate_arglist): Update to agree with modified definition.
7285 (tree_operand_length): New.
7286 (call_expr_arg_iterator): New.
7287 (init_call_expr_arg_iterator): New.
7288 (next_call_expr_arg): New.
7289 (first_call_expr_arg): New.
7290 (more_call_expr_args_p): New.
7291 (FOR_EACH_CALL_EXPR_ARG): New.
7292
7293 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7294 and tcc_gimple_stmt.
7295 (tree_code_size): Update documentation. Use sizeof (tree) rather
7296 than sizeof (char *).
7297 (tree_size): Likewise. Add case for tcc_vl_exp.
7298 (tree_node_structure): Add case for tcc_vl_exp.
7299 (contains_placeholder_p): Likewise.
7300 (substitute_in_expr): Likewise.
7301 (substitute_placeholder_in_expr): Likewise.
7302 (stabilize_reference_1): Likewise.
7303 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
7304 to diagnose breakage of this interface for constructing CALL_EXPRs.
7305 (build_nt): Add similar assertion here.
7306 (build_nt_call_list): New.
7307 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7308 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7309 TREE_CODE_LENGTH.
7310 (get_callee_fndecl): Use new CALL_EXPR accessors.
7311 (tree_operand_check_failed): Change parameters to pass entire node
7312 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7313 (process_call_operands): New.
7314 (build_vl_exp_stat): New.
7315 (build_call_list): New.
7316 (build_call_nary): New.
7317 (build_call_valist): New.
7318 (build_call_array): New.
7319 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7320 (call_expr_arglist): New.
7321
7322 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7323 tcc_vl_exp instead of a fixed-size tcc_expression.
7324
7325 * doc/c-tree.texi (CALL_EXPR): Document new representation and
7326 accessors for CALL_EXPRs.
7327 (AGGR_INIT_EXPR): Likewise.
7328
7329 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7330 Brooks Moses <brooks.moses@codesourcery.com>
7331 Lee Millward <lee.millward@codesourcery.com>
7332
7333 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7334 (expand_builtin_nonlocal_goto): Change parameter to be entire
7335 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
7336 (expand_builtin_prefetch): Likewise.
7337 (expand_builtin_classify_type): Likewise.
7338 (mathfn_built_in): Return NULL_TREE instead of 0.
7339 (expand_errno_check): Use new CALL_EXPR accessors.
7340 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7341 Return NULL_RTX instead of 0.
7342 (expand_builtin_mathfn_2): Likewise.
7343 (expand_builtin_mathfn_3): Likewise.
7344 (expand_builtin_interclass_mathfn): Likewise.
7345 (expand_builtin_sincos): Likewise.
7346 (expand_builtin_cexpi): Likewise.
7347 (expand_builtin_int_roundingfn): Likewise.
7348 (expand_builtin_int_roundingfn_2): Likewise.
7349 (expand_builtin_pow): Likewise.
7350 (expand_builtin_powi): Likewise.
7351 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7352 of arglist, fixing callers appropriately. Use new CALL_EXPR
7353 accessors and constructors. Return NULL_RTX instead of 0.
7354 (expand_builtin_strstr): Likewise.
7355 (expand_builtin_strchr): Likewise.
7356 (expand_builtin_strrchr): Likewise.
7357 (expand_builtin_strpbrk): Likewise.
7358 (expand_builtin_memcpy): Likewise.
7359 (expand_builtin_mempcpy): Likewise.
7360 (expand_builtin_mempcpy_args): New.
7361 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7362 (expand_builtin_memmove_args): New.
7363 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7364 (expand_movstr): Likewise.
7365 (expand_builtin_strcpy): Likewise.
7366 (expand_builtin_strcpy_args): New.
7367 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7368 (expand_builtin_strncpy): Likewise.
7369 (expand_builtin_memset): Likewise.
7370 (expand_builtin_memset_args): New.
7371 (expand_builtin_bzero): Similarly to expand_builtin_memset.
7372 (expand_builtin_memcmp): Likewise.
7373 (expand_builtin_strcmp): Likewise.
7374 (expand_builtin_strncmp): Likewise.
7375 (expand_builtin_strcat): Likewise.
7376 (expand_builtin_strncat): Likewise.
7377 (expand_builtin_strspn): Likewise.
7378 (expand_builtin_strcspn): Likewise.
7379 (expand_builtin_args_info): Likewise.
7380 (expand_builtin_va_start): Likewise.
7381 (gimplify_va_arg_expr): Likewise.
7382 (expand_builtin_va_end): Likewise.
7383 (expand_builtin_va_copy): Likewise.
7384 (expand_builtin_frame_address): Likewise.
7385 (expand_builtin_alloca): Likewise.
7386 (expand_builtin_bswap): Likewise.
7387 (expand_builtin_unop): Likewise.
7388 (expand_builtin_fputs): Likewise.
7389 (expand_builtin_expect): Likewise.
7390 (expand_builtin_fabs): Likewise.
7391 (expand_builtin_copysign): Likewise.
7392 (expand_builtin_printf): Likewise.
7393 (expand_builtin_fprintf): Likewise.
7394 (expand_builtin_sprintf): Likewise.
7395 (expand_builtin_init_trampoline): Likewise.
7396 (expand_builtin_signbit): Likewise.
7397 (expand_builtin_fork_or_exec): Likewise.
7398 (expand_builtin_sync_operation): Likewise.
7399 (expand_builtin_compare_and_swap): Likewise.
7400 (expand_builtin_lock_test_and_set): Likewise.
7401 (expand_builtin_lock_release): Likewise.
7402 (expand_builtin): Likewise.
7403 (builtin_mathfn_code): Likewise.
7404
7405 (fold_builtin_constant_p): Pass call arguments individually instead
7406 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7407 accessors and constructors. Return NULL_TREE instead of 0.
7408 (fold_builtin_expect): Likewise.
7409 (fold_builtin_classify_type): Likewise.
7410 (fold_builtin_strlen): Likewise.
7411 (fold_builtin_nan): Likewise.
7412 (integer_valued_real_p): Likewise.
7413 (fold_trunc_transparent_mathfn): Likewise.
7414 (fold_fixed_mathfn): Likewise.
7415 (fold_builtin_cabs): Likewise.
7416 (fold_builtin_sqrt): Likewise.
7417 (fold_builtin_cbrt): Likewise.
7418 (fold_builtin_cos): Likewise.
7419 (fold_builtin_cosh): Likewise.
7420 (fold_builtin_tan): Likewise.
7421 (fold_builtin_sincos): Likewise.
7422 (fold_builtin_cexp): Likewise.
7423 (fold_builtin_trunc): Likewise.
7424 (fold_builtin_floor): Likewise.
7425 (fold_builtin_ceil): Likewise.
7426 (fold_builtin_round): Likewise.
7427 (fold_builtin_int_roundingfn): Likewise.
7428 (fold_builtin_bitop): Likewise.
7429 (fold_builtin_bswap): Likewise.
7430 (fold_builtin_logarithm): Likewise.
7431 (fold_builtin_hypot): Likewise.
7432 (fold_builtin_pow): Likewise.
7433 (fold_builtin_powi): Likewise.
7434 (fold_builtin_exponent): Likewise.
7435 (fold_builtin_memset): Likewise.
7436 (fold_builtin_bzero): Likewise.
7437 (fold_builtin_memory_op): Likewise.
7438 (fold_builtin_bcopy): Deleted; call site changed to invoke
7439 fold_builtin_memory_op directly.
7440 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7441 (fold_builtin_strncpy): Likewise.
7442 (fold_builtin_memcmp): Likewise.
7443 (fold_builtin_strcmp): Likewise.
7444 (fold_builtin_strncmp): Likewise.
7445 (fold_builtin_signbit): Likewise.
7446 (fold_builtin_copysign): Likewise.
7447 (fold_builtin_isascii): Likewise.
7448 (fold_builtin_toascii): Likewise.
7449 (fold_builtin_isdigit): Likewise.
7450 (fold_builtin_fabs): Likewise.
7451 (fold_builtin_abs): Likewise.
7452 (fold_builtin_fmin_fmax): Likewise.
7453 (fold_builtin_carg): Likewise.
7454 (fold_builtin_classify): Likewise.
7455 (fold_builtin_unordered_cmp): Likewise.
7456
7457 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7458 New functions split out from fold_builtin_1.
7459 (fold_builtin_n): New.
7460 (fold_builtin_varargs): New.
7461 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
7462 instead.
7463 (fold_call_expr): New.
7464 (build_function_call_expr): Rewrite to use new helper function.
7465 (fold_builtin_call_list): New.
7466 (build_call_expr): New.
7467 (fold_builtin_call_valist): New.
7468 (rewrite_call_expr): New.
7469 (validate_arg): New.
7470 (validate_arglist): Change parameter to be entire CALL_EXPR instead
7471 of an arglist. Change return type to bool. Use new CALL_EXPR
7472 accessors.
7473
7474 (fold_builtin_strstr): Pass call arguments individually instead
7475 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7476 accessors and constructors. Return NULL_TREE instead of 0.
7477 (fold_builtin_strchr): Likewise.
7478 (fold_builtin_strrchr): Likewise.
7479 (fold_builtin_strpbrk): Likewise.
7480 (fold_builtin_strcat): Likewise.
7481 (fold_builtin_strncat): Likewise.
7482 (fold_builtin_strspn): Likewise.
7483 (fold_builtin_strcspn): Likewise.
7484 (fold_builtin_fputs): Likewise.
7485 (fold_builtin_next_arg): Likewise.
7486 (fold_builtin_sprintf): Likewise.
7487
7488 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
7489 NULL_RTX instead of 0.
7490 (expand_builtin_memory_chk): Likewise.
7491 (maybe_emit_chk_warning): Likewise.
7492 (maybe_emit_sprintf_chk_warning): Likewise.
7493
7494 (fold_builtin_object_size): Pass call arguments individually instead
7495 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7496 accessors and constructors. Return NULL_TREE instead of 0.
7497 (fold_builtin_memory_chk): Likewise.
7498 (fold_builtin_stxcpy_chk): Likewise.
7499 (fold_builtin_strncpy_chk): Likewise.
7500 (fold_builtin_strcat_chk): Likewise.
7501 (fold_builtin_strcat_chk): Likewise.
7502 (fold_builtin_strncat_chk): Likewise.
7503 (fold_builtin_sprintf_chk): Likewise.
7504 (fold_builtin_snprintf_chk): Likewise.
7505 (fold_builtin_printf): Likewise.
7506 (fold_builtin_vprintf): Likewise.
7507
7508 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7509 constructors.
7510 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7511 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7512 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7513 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7514 (fold_unary): Likewise.
7515 (fold_binary): Likewise.
7516 (fold_ternary): Remove CALL_EXPR case, since they are no longer
7517 ternary expressions.
7518 (fold): Add logic for tcc_vl_exp.
7519 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
7520 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7521 (fold_build3_stat): Add assertion to flag broken interface for
7522 constructing CALL_EXPRs.
7523 (fold_build_call_list): New.
7524 (fold_build_call_list_initializer): New.
7525 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7526 constructors.
7527 (fold_strip_sign_ops): Likewise.
7528
7529 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7530 Brooks Moses <brooks.moses@codesourcery.com>
7531 Lee Millward <lee.millward@codesourcery.com>
7532
7533 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7534 accessors and dump arguments explicitly.
7535
7536 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7537 TREE_CODE_LENGTH.
7538 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7539 explicitly.
7540 (print_call_name): Use new CALL_EXPR accessors.
7541
7542 * print-tree.c (print_node): Add case tcc_vl_exp. Print
7543 CALL_EXPR arguments explicitly instead of as a list. Use
7544 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7545
7546 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7547 (vrp_visit_stmt): Likewise.
7548
7549 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
7550 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
7551 TREE_CODE_LENGTH.
7552 (force_move_till_expr): Likewise.
7553
7554 * targhooks.c (default_external_stack_protect_fail): Use
7555 build_call_expr instead of build_function_call_expr.
7556 (default_hidden_stack_protect_fail): Likewise.
7557
7558 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7559 build the call.
7560
7561 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7562 and walk arguments explicitly.
7563
7564 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7565 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7566 (expand_simple_operations): Likewise.
7567 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7568
7569 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7570 of TREE_CODE_LENGTH.
7571 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7572
7573 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7574 instead of TREE_CODE_LENGTH.
7575
7576 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7577 (tree_ic_transform): Likewise.
7578 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7579 parameter instead of arglist. Fix callers.
7580 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7581 (tree_stringops_transform): Likewise.
7582 (tree_indirect_call_to_profile): Likewise.
7583 (tree_stringops_values_to_profile): Likewise.
7584
7585 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7586 (eliminate_tail_call): Likewise.
7587
7588 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7589
7590 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7591 Use TREE_OPERAND_LENGTH and generalize to handle any number of
7592 operands.
7593 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7594
7595 * omp-low.c (build_omp_barrier): Use build_call_expr.
7596 (lower_rec_input_clauses): Likewise.
7597 (lower_reduction_clauses): Likewise.
7598 (expand_parallel_call): Likewise.
7599 (maybe_catch_exception): Likewise.
7600 (expand_omp_for_generic): Likewise.
7601 (expand_omp_for_static_nochunk): Likewise.
7602 (expand_omp_sections): Likewise.
7603 (lower_omp_single_simple): Likewise.
7604 (lower_omp_single_copy): Likewise.
7605 (lower_omp_master): Likewise.
7606 (lower_omp_ordered): Likewise.
7607 (lower_omp_critical): Likewise.
7608
7609 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7610 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7611
7612 * tree-gimple.c (is_gimple_call_addr): Fix doc.
7613 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7614 TREE_CODE_LENGTH. Add tcc_vl_exp case.
7615
7616 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7617 and generalize to handle any number of operands.
7618 (chrec_contains_undetermined): Likewise.
7619 (tree_contains_chrecs): Likewise.
7620 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7621
7622 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7623
7624 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
7625 fold_call_expr instead of fold_builtin.
7626 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
7627 match declarations there.
7628 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
7629 updates.
7630
7631 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7632 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7633
7634 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7635 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7636
7637 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7638 accessors.
7639
7640 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7641 (execute_cse_sincos): Use new CALL_EXPR accessors.
7642
7643 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7644
7645 * gimple-low.c (lower_function_body): Use build_call_expr.
7646 (lower_builtin_setjmp): Likewise.
7647
7648 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7649 (set_storage_via_libcall): Likewise.
7650 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
7651 instead of TREE_CODE_LENGTH.
7652 (expand_expr_real_1): Use new CALL_EXPR accessors.
7653
7654 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7655 generalize to handle any number of operands.
7656 (TB_parent_eq): Likewise.
7657
7658 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7659 (strip_builtin_expect): Likewise.
7660
7661 * function.c (gimplify_parameters): Use build_call_expr.
7662
7663 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7664 instead of TREE_CODE_LENGTH.
7665
7666 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7667 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7668
7669 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7670 iterators.
7671
7672 * gimplify.c (build_stack_save_restore): Use build_call_expr.
7673 (gimplify_decl_expr): Likewise.
7674 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7675 Use new CALL_EXPR iterators.
7676 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7677 (gimplify_modify_expr_to_memset): Likewise.
7678 (gimplify_variable_sized_compare): Likewise.
7679 (gimplify_omp_atomic_fetch_op): Likewise.
7680 (gimplify_omp_atomic_pipeline): Likewise.
7681 (gimplify_omp_atomic_mutex): Likewise.
7682 (gimplify_function_tree): Likewise.
7683
7684 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7685 (call_expr_flags): Likewise.
7686 (expand_call): Likewise.
7687
7688 * except.c (expand_builtin_eh_return_data_regno): Pass entire
7689 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
7690 accessors.
7691
7692 * coverage.c (create_coverage): Use build_call_expr.
7693
7694 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7695 (temp_call_expr_obstack): New.
7696 (pool_copy_list): Delete.
7697 (temp_copy_call_expr): New.
7698 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
7699 CALL_EXPR accessors. Get rid of special goo for copying argument
7700 lists and use temp_copy_call_expr instead.
7701 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
7702 CALL_EXPR accessors.
7703 (create_expression_by_pieces): Likewise. Use build_call_array
7704 to construct the result instead of fold_build3.
7705 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
7706 dealing with argument lists.
7707 (init_pre): Remove references to expression_node_pool and
7708 list_node_pool. Init temp_call_expr_obstack instead.
7709 (fini_pre): Remove references to expression_node_pool and
7710 list_node_pool.
7711
7712 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7713 and walk arguments explicitly instead of as a list.
7714
7715 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7716 (mx_register_decls): Likewise.
7717 (mudflap_register_call): Likewise.
7718 (mudflap_finish_file): Likewise.
7719
7720 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7721 (ipa_callsite_compute_param): Likewise.
7722
7723 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7724 accessors and constructor.
7725
7726 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7727 accessors and constructor.
7728 (convert_tramp_reference): Likewise.
7729 (convert_call_expr): Likewise.
7730 (finalize_nesting_tree_1): Likewise.
7731
7732 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7733 accessors.
7734
7735 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7736
7737 * tree-inline.c (initialize_inlined_parameters): Pass entire
7738 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
7739 accessors.
7740 (estimate_num_insns_1): Use new CALL_EXPR accessors.
7741 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7742
7743 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
7744 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7745 (vectorizable_reduction): Likewise.
7746 (vectorizable_call): Use new CALL_EXPR iterators.
7747 (vectorizable_conversion): Use build_call_expr.
7748 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7749 (vect_gen_widened_results_half): Use build_call_expr.
7750 (vect_setup_realignment): Likewise.
7751 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7752
7753 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7754 (pass_through_call): Likewise.
7755 (compute_object_sizes): Likewise. Use fold_call_expr instead of
7756 fold_builtin.
7757
7758 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7759 (tree_gen_pow2_profiler): Likewise.
7760 (tree_gen_one_value_profiler): Likewise.
7761 (tree_gen_ic_func_profiler): Likewise.
7762 (tree_gen_average_profiler): Likewise.
7763 (tree_gen_ior_profiler): Likewise.
7764
7765 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7766 (find_func_aliases): Use new CALL_EXPR accessors. Add case
7767 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7768
7769 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7770 of TREE_CODE_LENGTH.
7771
7772 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7773 of TREE_CODE_LENGTH.
7774
7775 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7776 constructor.
7777 (convert_to_integer): Likewise.
7778
7779 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7780 accessors.
7781
7782 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7783 Brooks Moses <brooks.moses@codesourcery.com>
7784 Lee Millward <lee.millward@codesourcery.com>
7785
7786 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7787 accessors.
7788 * config/frv/frv.c (frv_expand_builtin): Likewise.
7789 * config/s390/s390.c (s390_expand_builtin): Likewise.
7790
7791 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7792 (sparc_expand_builtin): Use new CALL_EXPR accessors.
7793
7794 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7795 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7796 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
7797 (ix86_expand_store_builtin): Likewise.
7798 (ix86_expand_unop_builtin): Likewise.
7799 (ix86_expand_unop1_builtin): Likewise.
7800 (ix86_expand_sse_compare): Likewise.
7801 (ix86_expand_sse_comi): Likewise.
7802 (ix86_expand_vec_init_builtin): Likewise.
7803 (ix86_expand_vec_ext_builtin): Likewise.
7804 (ix86_expand_vec_set_builtin): Likewise.
7805 (ix86_expand_builtin): Use new CALL_EXPR accessors.
7806
7807 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7808 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7809
7810 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7811 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7812 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7813
7814 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7815 build_call_expr.
7816 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7817 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7818 arglist. Use new CALL_EXPR accessors. Fix callers.
7819 (altivec_expand_abs_builtin): Likewise.
7820 (rs6000_expand_binop_builtin): Likewise.
7821 (altivec_expand_predicate_builtin): Likewise.
7822 (altivec_expand_lv_builtin): Likewise.
7823 (spe_expand_stv_builtin): Likewise.
7824 (altivec_expand_stv_builtin): Likewise.
7825 (rs6000_expand_ternop_builtin): Likewise.
7826 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7827 (altivec_expand_st_builtin): Likewise.
7828 (altivec_expand_dst_builtin): Likewise.
7829 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7830 arglist. Use new CALL_EXPR accessors. Fix callers.
7831 (altivec_expand_vec_set_builtin): Likewise.
7832 (altivec_expand_vec_ext_builtin): Likewise.
7833 (altivec_expand_builtin): Use new CALL_EXPR accessors.
7834 (spe_expand_builtin): Likewise.
7835 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7836 arglist. Use new CALL_EXPR accessors. Fix callers.
7837 (spe_expand_evsel_builtin): Likewise.
7838 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
7839 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7840
7841 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7842 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7843 (arm_expand_unop_builtin): Likewise.
7844 (arm_expand_builtin): Use new CALL_EXPR accessors.
7845
7846 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
7847 accessors.
7848
7849 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7850 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7851 (bfin_expand_unop_builtin): Likewise.
7852 (bfin_expand_builtin): Use new CALL_EXPR accessors.
7853
7854 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7855 Brooks Moses <brooks.moses@codesourcery.com>
7856 Lee Millward <lee.millward@codesourcery.com>
7857
7858 * c-semantics.c (build_stmt): Add internal diagnostic check.
7859
7860 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7861 accessors. Print arguments explicitly instead of as a list.
7862
7863 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7864
7865 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7866 (c_finish_omp_flish): Likewise.
7867
7868 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
7869 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
7870 instead of TREE_CODE_LENGTH.
7871 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7872 (c_warn_unused_result): Likewise.
7873
7874 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7875
7876 PR c/26494
7877 * doc/invoke.texi (Warning Options): Remove
7878 -Werror-implicit-function-declaration.
7879 (Wimplicit-function-declaration): Update description.
7880 * opts.c (common_handle_option): Move handling of -Werror=* to...
7881 (enable_warning_as_error): ...here.
7882 * opts.h (enable_warning_as_error): Declare.
7883 * c-decl.c (implicit_decl_warning): Unless
7884 -Wno-implicit-function-declaration is given, emit a pedwarn if
7885 -std=c99 or emit a warning if -Wimplicit-function-declaration.
7886 * c.opt (Wimplicit-function-declaration): Replace
7887 mesg_implicit_function_declaration with
7888 warn_implicit_function_declaration.
7889 * c-opts.c (c_common_handle_option):
7890 -Werror-implicit-function-declaration is exactly equal as
7891 -Werror=implicit-function-declaration.
7892 (set_Wimplicit): Replace mesg_implicit_function_declaration with
7893 warn_implicit_function_declaration.
7894 (c_common_post_options): -Wimplict-function-declaration is enabled
7895 by default by -std=c99, otherwise is disabled by default.
7896 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7897
7898 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7899
7900 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7901 DECL on the rhs to a DECL on the lhs for debug info purposes if the
7902 former is ignored but not the latter.
7903
7904 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7905
7906 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7907 is made and the reference doesn't use the alias set of its type,
7908 do not create the temporary using that type.
7909
7910 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
7911
7912 * jump.c: Remove prototypes for delete_computation and
7913 delete_prior_computation.
7914
7915 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7916
7917 * jump.c (get_label_after): Delete.
7918 (get_label_before, delete_computation, delete_jump,
7919 delete_prior_computation, follow_jumps): Move...
7920 * reorg.c (delete_computation, delete_prior_computation): ... here...
7921 (get_label_before, delete_jump): ... making these static ...
7922 (follow_jumps): ... and simplifying this since it only runs after
7923 reload.
7924 * rtl.h (get_label_after, get_label_before, delete_jump,
7925 follow_jumps): Delete prototypes.
7926
7927 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7928
7929 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7930
7931 2007-02-15 Nick Clifton <nickc@redhat.com>
7932
7933 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7934 order to prevent it from being munged by the target.
7935
7936 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
7937
7938 * config/i386/i386.md: Remove misleading comment.
7939
7940 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7941
7942 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7943 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7944 invalid patterns.
7945
7946 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7947
7948 * tree-sra.c (instantiate_missing_elements): Canonicalize
7949 bit-field types.
7950 (sra_build_assignment): New.
7951 (generate_copy_inout, generate_element_copy,
7952 generate_element_zero, generate_one_element_init): Use it.
7953
7954 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7955
7956 * tree-sra.c (instantiate_missing_elements): Canonicalize
7957 bit-field types.
7958 (sra_build_assignment): New.
7959 (generate_copy_inout, generate_element_copy,
7960 generate_element_zero, generate_one_element_init): Use it.
7961
7962 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7963
7964 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
7965 limbo die nodes.
7966
7967 2007-02-14 Joseph Myers <joseph@codesourcery.com>
7968
7969 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
7970 types as aggregates not scalars.
7971 * function.c (assign_stack_temp_for_type): Likewise.
7972
7973 2007-02-14 Roger Sayle <roger@eyesopen.com>
7974 Zdenek Dvorak <dvorakz@suse.cz>
7975
7976 * tree-dump.c (dump_switch_p_1): Require exact match of the option
7977 name.
7978
7979 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7980
7981 * passes.c (next_pass_1): Clear the next field of the copied
7982 pass structure.
7983
7984 2007-02-14 Richard Henderson <rth@redhat.com>
7985
7986 * tree-sra.c (early_sra): New.
7987 (decl_can_be_decomposed_p): Deny va_list if early_sra.
7988 (tree_sra_early, pass_sra_early): New.
7989 * tree-pass.h (pass_sra_early): Declare.
7990 * passes.c (init_optimization_passes): Use it.
7991
7992 2007-02-14 Richard Guenther <rguenther@suse.de>
7993
7994 * flags.h (issue_strict_overflow_warning): Convert to a macro.
7995
7996 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
7997
7998 PR tree-optimization/30771
7999 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8000 also phi nodes.
8001 (vect_analyze_operations): Induction phis can now be marked as
8002 used_in_loop.
8003 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8004 Update documentation accordingly.
8005
8006 2007-02-14 Nick Clifton <nickc@redhat.com>
8007
8008 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8009 most 3 arguments are supported.
8010 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8011
8012 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
8013
8014 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8015 Ensure dst->current is valid.
8016
8017 2007-02-13 Paul Brook <paul@codesourcery.com>
8018
8019 * config.gcc: Add arm*-*-uclinux-*eabi.
8020 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8021 (SUBTARGET_EXTRA_LINK_SPEC): Define.
8022 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8023 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8024 (LINK_SPEC): Define.
8025 (LIB_SPEC): Define.
8026 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8027 register.
8028 * config/arm/uclinux-eabi.h: New file.
8029 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8030 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8031 based targets.
8032
8033 2007-02-13 Ian Lance Taylor <iant@google.com>
8034
8035 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8036 * flags.h (warn_strict_overflow): Declare.
8037 (enum warn_strict_overflow_code): Define.
8038 (issue_strict_overflow_warning): New static inline function.
8039 * opts.c (warn_strict_overflow): New variable.
8040 (common_handle_option): Handle OPT_Wstrict_overflow and
8041 OPT_Wstrict_overflow_.
8042 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8043 OPT_Wall.
8044 * fold-const.c: Include intl.h.
8045 (fold_deferring_overflow_warnings): New static variable.
8046 (fold_deferred_overflow_warning): New static variable.
8047 (fold_deferred_overflow_code): New static variable.
8048 (fold_defer_overflow_warnings): New function.
8049 (fold_undefer_overflow_warnings): New function.
8050 (fold_undefer_and_ignore_overflow_warnings): New function.
8051 (fold_deferring_overflow_warnings_p): New function.
8052 (fold_overflow_warning): New static function.
8053 (make_range): Add strict_overflow_p parameter. Change all
8054 callers.
8055 (extract_muldiv, extract_muldiv_1): Likewise.
8056 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8057 tree_expr_nonnegative_p.
8058 (fold_negate_expr): Call fold_overflow_warning.
8059 (fold_range_test): Likewise.
8060 (fold_comparison): Likewise.
8061 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
8062 instead of tree_expr_nonnegative_p.
8063 (tree_expr_nonnegative_warnv_p): Rename from
8064 tree_expr_nonnegative_p, add strict_overflow_p parameter.
8065 (tree_expr_nonnegative_p): New function.
8066 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8067 strict_overflow_p parameter.
8068 (tree_expr_nonzero_p): New function.
8069 * passes.c (verify_interpass_invariants): New static function.
8070 (execute_one_pass): Call it.
8071 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8072 warnings.
8073 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8074 (estimate_numbers_of_iterations): Likewise.
8075 (scev_probably_wraps_p): Likewise.
8076 * tree-ssa-ccp.c: Include "toplev.h".
8077 (evaluate_stmt): Defer fold overflow warnings until we know we are
8078 going to optimize.
8079 (struct fold_stmt_r_data): Add stmt field.
8080 (fold_stmt_r): Defer fold overflow warnings until we know we
8081 optimized.
8082 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8083 (fold_stmt_inplace): Likewise.
8084 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8085 (cleanup_control_expr_graph): Defer fold overflow warnings until
8086 we know we are going to optimize.
8087 * tree-cfg.c (fold_cond_expr_cond): Likewise.
8088 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8089 Likewise.
8090 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8091 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8092 * tree-ssa-loop-manip.c (create_iv): Likewise.
8093 * c-typeck.c (build_conditional_expr): Likewise.
8094 (build_binary_op): Likewise.
8095 * tree-vrp.c (vrp_expr_computes_nonzero): Call
8096 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8097 (extract_range_from_unary_expr): Likewise.
8098 * simplify-rtx.c (simplify_const_relational_operation): Warn when
8099 assuming that signed overflow does not occur.
8100 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8101 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8102 (fold_defer_overflow_warnings): Declare.
8103 (fold_undefer_overflow_warnings): Declare.
8104 (fold_undefer_and_ignore_overflow_warnings): Declare.
8105 (fold_deferring_overflow_warnings_p): Declare.
8106 (tree_expr_nonzero_warnv_p): Declare.
8107 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8108 of warning options.
8109 (Warning Options): Document -Wstrict-overflow.
8110 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8111 (tree-ssa-ccp.o): Likewise.
8112 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8113 (fold-const.o): Depend on intl.h.
8114
8115 2007-02-13 Ian Lance Taylor <iant@google.com>
8116
8117 PR middle-end/30751
8118 * lower-subreg.c (resolve_simple_move): Decompose subregs in
8119 addresses.
8120
8121 2007-02-13 Stuart Hastings <stuart@apple.com>
8122
8123 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8124
8125 2007-02-13 Richard Henderson <rth@redhat.com>
8126
8127 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8128 handled_component_p before looking for the indirect_ref.
8129
8130 2007-02-13 Richard Henderson <rth@redhat.com>
8131
8132 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8133 remove flags clobber.
8134 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8135 (bswaphi_lowpart): New.
8136 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8137 remove TARGET_BSWAP test. Delete expander of the same name.
8138
8139 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8140 (expand_unop): Use them.
8141
8142 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
8143
8144 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8145 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8146 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8147 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8148 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8149 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8150 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8151 assembler dialect choice from asm templates.
8152
8153 2007-02-12 Richard Henderson <rth@redhat.com>
8154
8155 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8156 (fixuns_trunc<SSEMODEF>si2): Use it.
8157 * config/i386/sse.md (vec_setv4sf_0): Export.
8158 * config/i386/i386.c (ix86_build_const_vector): Export.
8159 (ix86_split_convert_uns_si_sse): Rename from
8160 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8161 * config/i386/i386-protos.h: Update.
8162
8163 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8164
8165 PR c/29521
8166 * c-typeck.c (c_finish_return): Improve warning message.
8167
8168 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8169
8170 * alias.c (find_symbolic_term): Delete unused function.
8171
8172 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
8173
8174 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8175 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8176 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8177
8178 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8179
8180 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8181 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8182 the function, temporarily point the debug interface to the null one.
8183
8184 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8185
8186 * dwarf2out.c (round_up_to_align): New static function.
8187 (field_byte_offset): Use it to round the offset.
8188
8189 2007-02-12 Richard Henderson <rth@redhat.com>
8190
8191 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8192 (inswl_const): Export.
8193
8194 2007-02-12 Richard Henderson <rth@redhat.com>
8195
8196 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8197 result mode of the libcall, convert back to outmode.
8198
8199 2007-02-12 Roger Sayle <roger@eyesopen.com>
8200
8201 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8202 (bswapdi2): New define_expand to implement 32-bit implementation.
8203
8204 2007-02-12 Nick Clifton <nickc@redhat.com>
8205
8206 * doc/invoke.texi (Overall Options): Document --help=.
8207 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8208 (cc1_options): Pass --help= on to cc1.
8209 (display_help): Add description of --help=.
8210 (process_command): Add code to handle --help=. Allow translated
8211 --help and --target-help switches to be passed on to compiler
8212 sub-process.
8213 (main): Remove unused if statement.
8214 * opts.c (columns): Remove.
8215 (LEFT_COLUMN): Define.
8216 (wrap_help): Add columns argument.
8217 (print_filtered_help): Change parameters to be an include bitmask,
8218 an exclude bitmask, an any bitmask and the column width. Move the
8219 code to display the params list here. Add code to display the
8220 status of options rather than their descriptions if the quiet flag
8221 is not active.
8222 (print_specific_help): Change parameters to be an include bitmask,
8223 an exclude bitmask and an any bitmask. Move code to look up the
8224 column width here. Decide upon the title for an options listing.
8225 (common_handle_options): Add code to handle --help=. Adapt code
8226 for --help and --target-help to use the revised form of the
8227 print_specific_help function.
8228 (print_help): Delete.
8229 (print_param_help): Delete.
8230 (print_switch): Delete.
8231 * opts.h (cl_lang_count): Add prototype.
8232 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8233 CL_MAX_OPTION_CLASS): New defines.
8234 * optc-gen.awk: Add construction of cl_lang_count.
8235 * c.opt: Add Warning attribute to warning options and Optimization
8236 attribute to optimization options.
8237 * common.opt: Likewise.
8238 Add --help=.
8239 Add -fhelp and -ftarget-help as aliases for the transformed --help
8240 and --target-help options.
8241 * opt-functions.awk: Add code to handle Warning and Optimization
8242 attributes.
8243
8244 2007-02-12 Richard Henderson <rth@redhat.com>
8245
8246 * config/alpha/constraints.md: New file.
8247 * config/alpha/alpha.c: Include tm-constrs.h.
8248 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8249 alpha_extra_constraint): Remove.
8250 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8251 * config/alpha/alpha-protos.h: Update.
8252 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8253 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8254 (EXTRA_CONSTRAINT): Remove.
8255 * config/alpha/alpha.md: Include constraints.md.
8256 (adddi splitter): Use satisfies_constraint_*.
8257 * config/alpha/predicates.md (add_operand): Likewise.
8258 (sext_add_operand, addition_operation): Likewise.
8259
8260 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
8261
8262 PR tree-optimization/29145
8263 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8264 in our handling of restrict qualified pointers.
8265
8266 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8267
8268 PR middle-end/7651
8269 * doc/invoke.texi (Wunused-value): Update description.
8270 (Wextra): Delete item.
8271 * opts.c (set_Wextra): Don't use the value of Wextra to set the
8272 value of Wunused-value.
8273 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8274 (c_finish_stmt_expr): Don't check extra_warnings.
8275 (emit_side_effect_warnings): The caller is responsible to check
8276 warn_unused_value.
8277
8278 2007-02-11 Roger Sayle <roger@eyesopen.com>
8279 Matt Thomas <matt@3am-software.com>
8280
8281 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8282
8283 2007-02-11 Roger Sayle <roger@eyesopen.com>
8284
8285 * simplify-rtx.c (simplify_relational_operation_1): Optimize
8286 comparisons of POPCOUNT against zero.
8287 (simplify_const_relational_operation): Likewise.
8288
8289 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8290
8291 * doc/invoke.texi (Wextra): Delete outdated paragraph.
8292
8293 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8294
8295 * dwarf2out.c (root_type): Delete unused function.
8296
8297 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8298
8299 * genattrtab.c (contained_in_p): Delete unused function.
8300 (write_expr_attr_cache): Likewise.
8301
8302 2007-02-11 Jan Hubicka <jh@suse.cz>
8303
8304 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8305 previous patch.
8306
8307 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
8308
8309 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8310 to add the REG_EQ* note.
8311 * see.c (see_merge_one_use_extension): Likewise.
8312 * local-alloc.c (update_equiv_regs): Likewise. Also don't
8313 turn REG_EQUAL notes into REG_EQUIV notes if the target
8314 register may have more than one set.
8315 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8316 * gcse.c (try_replace_reg): Likewise.
8317 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8318 * calls.c (fixup_tail_calls): Likewise. Abort if there is
8319 more than one REG_EQUIV note.
8320 * reload1.c (gen_reload): Use set_unique_reg_note.
8321
8322 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
8323
8324 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8325 (ix86_builtin_conversion): New function.
8326
8327 2007-02-06 Mark Mitchell <mark@codesourcery.com>
8328
8329 PR target/29487
8330 * tree.h (DECL_REPLACEABLE_P): New macro.
8331 * except.c (set_nothrow_function_flags): Likewise.
8332
8333 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
8334 Ira Rosen <irar@il.ibm.com>
8335 Dorit Nuzman <dorit@il.ibm.com>
8336
8337 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8338 * targhooks.c (default_builtin_vectorized_conversion): New.
8339 * targhooks.h (default_builtin_vectorized_function): New declaration.
8340 * target.h (struct vectorize): Add builtin_conversion field.
8341 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8342 stmt_vec_info_type value.
8343 (vectorizable_conversion): New declaration.
8344 * tree-vect-analyze.c (vect_analyze_operations): Add
8345 vectorizable_conversion call.
8346 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8347 * tree-vect-transform.c (vectorizable_conversion): New function.
8348 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8349 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8350 mode.
8351 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8352 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8353 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8354 or ALTIVEC_BUILTIN_VCFSX.
8355
8356 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8357
8358 PR target/30634
8359 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8360 CONST_DOUBLE and operand 0 is a hard register.
8361 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8362 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
8363 is a hard floating-point register.
8364
8365 2007-02-10 Richard Henderson <rth@redhat.com>
8366 Jakub Jelinek <jakub@redhat.com>
8367 Alexandre Oliva <aoliva@redhat.com>
8368
8369 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8370 * builtin-types.def (BT_WORD): Make unsigned.
8371 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8372 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8373 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8374 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8375 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8376 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8377 emulated tls.
8378 * expr.c (emutls_var_address): New.
8379 (expand_expr_real_1): Expand emulated tls.
8380 (expand_expr_addr_expr_1): Likewise.
8381 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8382 * output.h (emutls_finish): Declare.
8383 * toplev.c (compile_file): Call it.
8384 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8385 address before wrapping in CONST.
8386 * varasm.c (emutls_htab, emutls_object_type): New.
8387 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8388 (get_emutls_object_name, get_emutls_object_type): New.
8389 (get_emutls_init_templ_addr, emutls_decl): New.
8390 (emutls_common_1, emutls_finish): New.
8391 (assemble_variable): When emulating tls, swap decls; generate
8392 constructor for the emutls objects.
8393 (do_assemble_alias): When emulating tls, swap decl and target name.
8394 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8395 for emulated tls.
8396 * varpool.c (decide_is_variable_needed): Look at force_output.
8397 Recurse for emulated tls.
8398 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8399 with decide_is_variable_needed.
8400 * emutls.c: New file.
8401 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8402 tls_object for real tls.
8403
8404 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
8405
8406 PR rtl-optimization/29599
8407 * reload1.c (eliminate_regs_in_insn): Take the destination
8408 mode into account when computing the offset.
8409
8410 2007-02-09 Stuart Hastings <stuart@apple.com>
8411 Richard Henderson <rth@redhat.com>
8412
8413 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8414 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8415 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8416 fixuns_truncdfhi2): New.
8417 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8418 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8419 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8420 (floatunssidf2): Allow nonimmediate source.
8421 * config/i386/sse.md (movdi_to_sse): New.
8422 (vec_concatv2di): Drop '*'.
8423 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8424 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8425 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8426 New.
8427 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8428 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8429 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8430 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8431 (ix86_build_signbit_mask): Fix decl of v, refactor to call
8432 ix86_build_const_vector.
8433 (x86_emit_floatuns): Rewrite.
8434
8435 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8436
8437 * genautomata.c (longest_path_length): Delete unused function.
8438 (struct state): Delete unused longest_path_length.
8439 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8440 (get_free_state): Delete unused.
8441
8442 2007-02-09 Jan Hubicka <jh@suse.cz>
8443
8444 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8445 * doc/invoke.texi (inline-unit-growth): Update default value.
8446
8447 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8448 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8449 (rebuild_cgraph_edges): Likewise.
8450 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8451 (dump_cgraph_node): Dump frequencies.
8452 (cgraph_clone_edge): Add frequency scales.
8453 (cgraph_clone_node): Add freuqnecy.
8454 * cgraph.h (cgraph_edge): Add freuqnecy argument.
8455 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8456 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8457 * tree-pass.h (TODO_rebuild_frequencies): New constant.
8458 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8459 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8460 (save_inline_function_body): Likewise.
8461 * ipa-inline.c: inluce rtl.h
8462 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8463 (cgraph_edge_badness): Use frequencies.
8464 (cgraph_decide_recursive_inlining): Update clonning.
8465 (cgraph_decide_inlining_of_small_function): Dump frequency.
8466 * predict.c (estimate_bb_frequencies): Export.
8467 * predict.h (estimate_bb_frequencies): Declare.
8468 * tree-inline.c (copy_bb): Watch overflows.
8469 (expand_call_inline): Update call of cgraph_create_edge.
8470 (optimize_inline_calls): Use TODO flags to update frequnecies.
8471 * passes.h: Include predict.h
8472 (init_optimization_passes): Move profile ahead.
8473 (execute_function_todo): Handle TODO_rebuild_frequencies.
8474
8475 2007-02-09 Roger Sayle <roger@eyesopen.com>
8476
8477 * config/alpha/alpha.c (emit_insxl): Force the first operand of
8478 the insbl or inswl pattern into a register.
8479
8480 2007-02-09 Roger Sayle <roger@eyesopen.com>
8481
8482 * config/ia64/ia64.md (bswapdi2): New define_insn.
8483
8484 2007-02-09 Richard Henderson <rth@redhat.com>
8485
8486 * config/i386/constraints.md (Ym): New constraint.
8487 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8488 (movdi_1_rex64): Split sse and xmm general register moves from
8489 memory move alternatives. Use conditional register constraints.
8490 (movsf_1, movdf_integer): Likewise.
8491 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8492 (movdf_integer_rex64): New.
8493 (pushsf_rex64): Fix output constraints.
8494 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8495 (sse2_stored): Likewise.
8496 (sse2_storeq_rex64): New.
8497 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8498 amd and not generic.
8499 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8500 for optimize_size. Remove SF/DFmode hack.
8501
8502 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8503
8504 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8505 (bit_SSE4a): New.
8506
8507 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
8508 Richard Sandiford <richard@codesourcery.com>
8509
8510 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8511 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8512 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8513 m68k/t-mlib to tmake_file.
8514 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
8515 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8516 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8517 Allow it to be cf or m68k. Set m68k_arch_family. If that
8518 variable is not empty, add t-$m68k_arch_family to tmake_file.
8519 Add t-mlibs to tmake_file.
8520 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8521 * config/m68k/t-cf: New file.
8522 * config/m68k/t-m68k: Likewise.
8523 * config/m68k/t-mlibs: Likewise.
8524 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8525 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8526 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8527 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8528 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8529 Delete.
8530 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8531 (INSTALL_LIBGCC): Delete.
8532 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8533 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8534 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8535 (M68K_MLIB_CPU): Define.
8536 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8537 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8538 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8539
8540 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8541 Richard Guenther <rguenther@suse.de>
8542
8543 PR middle-end/23361
8544 * fold-const.c (fold_comparison): Handle obfuscated comparisons
8545 against INT_MIN/INT_MAX.
8546 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8547 file if a loop is removed.
8548
8549 2007-02-09 Joseph Myers <joseph@codesourcery.com>
8550
8551 * calls.c (store_one_arg): Pass correct alignment to
8552 emit_push_insn for non-BLKmode values.
8553 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8554 unaligned stack slot via a suitably aligned slot.
8555
8556 2007-02-08 DJ Delorie <dj@redhat.com>
8557
8558 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8559 warnings.
8560 (legal_subregs): Use unsigned char, make const.
8561 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
8562
8563 2007-02-08 Paul Brook <paul@codesourcery.com>
8564
8565 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8566 special interworking needed.
8567
8568 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
8569
8570 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8571 conditional to __SSE2__.
8572 (Entries below should have been added to first ChangeLog
8573 entry for amdfam10 dated 2007-02-05)
8574 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8575 defined.
8576 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8577 defined.
8578 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8579 defined.
8580
8581 2007-02-08 DJ Delorie <dj@redhat.com>
8582
8583 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8584 * config/m32c/m32c.c (legal_subregs): New.
8585 (m32c_illegal_subreg_p): New.
8586 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8587 unsupported subregs of hard regs.
8588
8589 2007-02-08 Jan Hubicka <jh@suse.cz>
8590
8591 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8592 the same one; always update histograms.
8593
8594 2007-02-08 Diego Novillo <dnovillo@redhat.com>
8595
8596 * passes.c (init_optimization_passes): Tidy comment.
8597
8598 2007-02-08 Roger Sayle <roger@eyesopen.com>
8599
8600 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8601 strip zero_extend, bswap and rotates from POCOUNT's argument.
8602 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8603 zero_extend and rotates from PARITY's argument.
8604 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8605 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8606 of an integer constant at compile-time.
8607
8608 2007-02-08 Diego Novillo <dnovillo@redhat.com>
8609
8610 PR 30562
8611 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8612 Update all users.
8613 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
8614 users.
8615 (init_alias_info):
8616 * tree-ssa-live.c (remove_unused_locals): Do not remove
8617 TREE_ADDRESSABLE variables.
8618 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8619 * tree-ssa-operands.c (add_virtual_operand): Remove argument
8620 FOR_CLOBBER. Update all users.
8621 If VAR has an associated alias set, add a virtual operand for
8622 it if no alias is found to conflict with the memory reference.
8623
8624 2007-02-07 Jan Hubicka <jh@suse.cz>
8625 Robert Kidd <rkidd@crhc.uiuc.edu>
8626
8627 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8628
8629 2007-02-07 Ian Lance Taylor <iant@google.com>
8630
8631 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8632
8633 2007-02-07 Roger Sayle <roger@eyesopen.com>
8634
8635 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8636 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8637 tablejumpdi, movsi_to_cr_one): Remove constraints from
8638 define_expand's match_operands.
8639
8640 2007-02-07 Roger Sayle <roger@eyesopen.com>
8641
8642 * global.c (compute_regsets): Move declatation of "i" inside of
8643 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8644
8645 2007-02-07 Jakub Jelinek <jakub@redhat.com>
8646
8647 PR c++/30703
8648 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8649 of INDIRECT_REF <RESULT_DECL>.
8650
8651 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8652
8653 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
8654 Kaz Kojima <kkojima@gcc.gnu.org>
8655
8656 PR target/29746
8657 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8658 properly.
8659 (sh_initialize_trampoline): Add parentheses to avoid a warning.
8660
8661 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8662
8663 * doc/loop.texi: Document possibility not to perform disambiguation
8664 of loops with multiple latches.
8665 * cfgloopmanip.c (alp_enum_p): Removed.
8666 (add_loop): Handle subloops. Use get_loop_body_with_size.
8667 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8668 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8669 the new forwarder block.
8670 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8671 Handle the case latch is NULL.
8672 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8673 when marking loop exits.
8674 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
8675 be modified.
8676 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
8677 disambiguate_loops_with_multiple_latches.
8678 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8679 before fix_loop_structure.
8680 * cfgloop.c: Include pointer-set.h and output.h.
8681 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8682 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8683 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8684 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8685 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8686 disambiguate_multiple_latches, get_loop_body_with_size,
8687 disambiguate_loops_with_multiple_latches): New functions.
8688 (flow_loop_dump): Dump multiple latch edges.
8689 (flow_loop_nodes_find): Handle loops with multiple latches.
8690 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8691 (glb_enum_p): Modified.
8692 (get_loop_body): Use get_loop_body_with_size.
8693 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8694 (AVOID_CFG_MODIFICATIONS): New constant.
8695 (disambiguate_loops_with_multiple_latches, add_loop,
8696 get_loop_body_with_size): Declare.
8697 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8698
8699 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
8700
8701 PR inline-asm/28686
8702 * global.c (compute_regsets): New function.
8703 (global_alloc): Refactored ELIMINABLE_REGSET
8704 and NO_GLOBAL_ALLOC_REGS computation out.
8705 (rest_of_handle_global_alloc): Call compute_regsets()
8706 for non-optimizing case.
8707
8708 2007-02-06 Richard Henderson <rth@redhat.com>
8709
8710 * config/i386/constraints.md (Y2): Rename from Y.
8711 (Yi): New constraint.
8712 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8713 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8714 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8715 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8716 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8717 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8718 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8719 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8720 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8721 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8722 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8723 vec_extractv2si_1): Change Y constraints to Y2.
8724 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8725 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8726 Change Y constraints to Y2.
8727 (sse2_loadld): Change Y constraints to x.
8728
8729 2007-02-06 Roger Sayle <roger@eyesopen.com>
8730
8731 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8732 (parity<mode>2): New define_expand using rs6000_emit_parity.
8733 * config/rs6000/rs6000.c (rs6000_emit_popcount,
8734 rs6000_emit_parity): New functions.
8735 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8736 rs6000_emit_parity): Prototype here.
8737
8738 2007-02-06 Ian Lance Taylor <iant@google.com>
8739
8740 * lower-subreg.c (simple_move_operand): Reject CONST.
8741 (resolve_clobber): Call validate_change rather than directly
8742 assigning to XEXP (pat, 0).
8743
8744 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
8745
8746 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8747 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8748 (tree-cfg.o): Remove hashtab.h dependency.
8749
8750 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8751 (struct ivopts_data): Change niters to pointer_map_t.
8752 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8753 (niter_for_exit): Create pointer_map on demand. Change for
8754 pointer_map API.
8755 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8756 (free_loop_data): Destroy data->niters if created and reset field.
8757 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8758 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8759
8760 * tree-ssa-reassoc.c: Include pointer-set.h.
8761 (bb_rank): Change to long *.
8762 (operand_rank): Change to pointer_map_t.
8763 (find_operand_rank): Return long, -1 if not found. Declare as inline.
8764 (insert_operand_rank): Accept long.
8765 (operand_entry_hash, operand_entry_eq): Remove.
8766 (get_rank): Return long. Adjust for changes above.
8767 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
8768 and operand_rank.
8769 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8770
8771 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8772 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8773 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
8774 is not NULL.
8775 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
8776 directly since it cannot be NULL.
8777 (get_vi_for_tree): Rewrite for pointer_map API.
8778 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8779 (init_alias_vars): Create vi_for_tree as pointer_map.
8780 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8781
8782 * tree-cfg.c: Don't include hashtab.h.
8783 (edge_to_cases): Declare as pointer_map.
8784 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8785 Delete.
8786 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8787 (start_recording_case_labels): Create edge_to_cases as pointer_map.
8788 (end_recoding_case_labels): Cleanup edge_to_cases manually before
8789 destroying it.
8790 (record_switch_edge): Delete.
8791 (get_cases_for_edge): Adjust for pointer_map API, inline
8792 record_switch_edge (rewritten for new API), remove goto.
8793
8794 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
8795
8796 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8797 * tree-nested.c: Include pointer-set.h.
8798 (var_map_elt, var_map_eq, var_map_hash): Delete.
8799 (struct nesting_info): Remove GTY marker. Change the two htab_t's
8800 to pointer_map_t's.
8801 (nesting_info_bitmap_obstack): New.
8802 (lookup_field_for_decl): Adjust for pointer_map API.
8803 (lookup_tramp_for_decl): Adjust for pointer_map API.
8804 (get_nonlocal_debug_decl): Adjust for pointer_map API.
8805 (get_local_debug_decl): Adjust for pointer_map API.
8806 (convert_nl_goto_reference): Adjust for pointer_map API.
8807 (convert_nl_goto_receiver): Adjust for pointer_map API.
8808 (create_nesting_tree): Create outside GGC space. Create bitmap on
8809 the new obstack. Create field_map and var_map as pointer_maps.
8810 (free_nesting_tree): Adjust for changes to create_nesting_tree.
8811 (root): Delete.
8812 (lower_nested_functions): Move root here, no need to NULL it.
8813 Initialize and release the obstack.
8814
8815 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
8816
8817 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8818 Remove prototypes and make them non-static.
8819 (struct tree_int_map): Remove.
8820 * tree.h (struct tree_int_map): Move here, turning TO into an
8821 unsigned int.
8822 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8823
8824 * tree.h (TREE_COMPLEXITY): Remove.
8825 (struct tree_exp): Remove complexity field.
8826 * tree.c (build1_stat): Don't set it.
8827
8828 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
8829 Victor Kaplansky <victork@il.ibm.com>
8830
8831 * tree-vectorizer.c (vect_is_simple_use): Support induction.
8832 (vect_is_simple_reduction): Support reduction with induction as
8833 one of the operands.
8834 (vect_is_simple_iv_evolution): Fix formatting.
8835 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8836 formatting. Don't mark induction phis for vectorization.
8837 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8838 * tree-vect-transform.c (get_initial_def_for_induction): New function.
8839 (vect_get_vec_def_for_operand): Support induction.
8840 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8841 induction case.
8842 (vectorizable_reduction): Support reduction with induction as one of
8843 the operands.
8844 (vectorizable_type_demotion): Use def-type of stmt argument rather
8845 than dummy def-type.
8846
8847 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8848 flag_tree_scev_cprop.
8849 * common.opt (tree-scev-cprop): New flag.
8850
8851 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8852 call to vect_get_new_vect_var.
8853
8854 2007-02-06 Ira Rosen <irar@il.ibm.com>
8855
8856 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8857 vectype is not NULL.
8858 (vect_pattern_recog_1): Likewise.
8859
8860 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8861
8862 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8863 (fold_negate_expr): Likewise.
8864
8865 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
8866
8867 PR debug/30189
8868 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8869 even if cv-qualification is the same.
8870
8871 2007-02-05 Geoffrey Keating <geoffk@apple.com>
8872
8873 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8874 __enable_execute_stack on completion.
8875
8876 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8877
8878 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8879 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8880 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8881 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8882 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8883 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8884 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8885 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8886
8887 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8888
8889 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8890 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8891 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8892 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8893 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8894 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8895 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8896 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8897 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8898 umuldi3_highpart_rex64, umulsi3_highpart_insn,
8899 umulsi3_highpart_zext, smuldi3_highpart_rex64,
8900 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8901 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8902 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8903 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8904 sqrtextenddfxf2_i387): Added amdfam10_decode.
8905
8906 * config/i386/athlon.md (athlon_idirect_amdfam10,
8907 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8908 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8909 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8910 athlon_ivector_store_amdfam10): New define_insn_reservation.
8911 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8912 amdfam10.
8913
8914 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8915
8916 * config/i386/athlon.md (athlon_call_amdfam10,
8917 athlon_pop_amdfam10, athlon_lea_amdfam10): New
8918 define_insn_reservation.
8919 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8920 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8921 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8922
8923 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8924
8925 * config/i386/athlon.md (athlon_sseld_amdfam10,
8926 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8927 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8928
8929 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8930
8931 * config/i386/athlon.md (athlon_sseins_amdfam10): New
8932 define_insn_reservation.
8933 * config/i386/i386.md (sseins): Added sseins to define_attr type
8934 and define_attr unit.
8935 * config/i386/sse.md: Set type attribute to sseins for insertq
8936 and insertqi.
8937
8938 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8939
8940 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8941 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8942 ssecomi_load_amdfam10, ssecomi_amdfam10,
8943 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8944 define_insn_reservation.
8945 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8946
8947 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8948
8949 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
8950 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
8951 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
8952 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
8953 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
8954 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
8955 define_insn_reservation.
8956
8957 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
8958 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
8959 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
8960 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
8961 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
8962
8963 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8964
8965 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
8966 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
8967 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
8968 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
8969 athlon_ssemul_load_k8): Added amdfam10.
8970
8971 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8972
8973 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
8974 (x86_sse_unaligned_move_optimal): New variable.
8975
8976 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
8977 m_AMDFAM10.
8978 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
8979 for unaligned vector SSE double/single precision loads for AMDFAM10.
8980
8981 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8982
8983 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
8984 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
8985 Define TARGET_CPU_DEFAULT_amdfam10.
8986 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
8987 (processor_type): Add PROCESSOR_AMDFAM10.
8988
8989 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
8990 processor_type in config/i386/i386.h.
8991 Enable imul peepholes for TARGET_AMDFAM10.
8992
8993 * config.gcc: Add support for --with-cpu option for amdfam10.
8994
8995 * config/i386/i386.c (amdfam10_cost): New variable.
8996 (m_AMDFAM10): New macro.
8997 (m_ATHLON_K8_AMDFAM10): New macro.
8998 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
8999 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9000 x86_promote_QImode, x86_integer_DFmode_moves,
9001 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9002 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9003 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9004 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9005 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9006 Enable/disable for amdfam10.
9007 (override_options): Add amdfam10_cost to processor_target_table.
9008 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9009 processor_alias_table.
9010 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9011 (ix86_adjust_cost): Add code for amdfam10.
9012
9013 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9014
9015 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9016 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9017 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9018 * config/i386/i386.h: Add builtin definition for SSE4A.
9019 * config/i386/i386.md: Add support for ABM instructions
9020 (popcnt and lzcnt).
9021 * config/i386/sse.md: Add support for SSE4A instructions
9022 (movntss, movntsd, extrq, insertq).
9023 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9024 Add -march=amdfam10 flag.
9025 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9026 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9027 and amdfam10.
9028 * doc/extend.texi: Add documentation for SSE4A builtins.
9029
9030 2007-02-05 Bob Wilson <bob.wilson@acm.org>
9031
9032 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9033
9034 2007-02-05 Richard Guenther <rguenther@suse.de>
9035
9036 * tree-vectorizer.h (vectorizable_function): Add argument type
9037 argument, change return type.
9038 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9039 * tree-vect-transform.c (vectorizable_function): Handle extra
9040 argument, return vectorized function decl.
9041 (build_vectorized_function_call): Remove.
9042 (vectorizable_call): Handle calls with result and argument types
9043 differing. Handle loop vectorization factor correctly.
9044 * targhooks.c (default_builtin_vectorized_function): Adjust for
9045 extra argument.
9046 * targhooks.h (default_builtin_vectorized_function): Likewise.
9047 * target.h (builtin_vectorized_function): Add argument type
9048 argument.
9049 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9050 extra argument, allow vectorizing of lrintf.
9051 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9052 documentation of target hook.
9053
9054 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
9055
9056 PR target/30665
9057 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9058 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9059 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9060
9061 2007-02-05 Roger Sayle <roger@eyesopen.com>
9062
9063 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9064 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9065 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9066 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9067 before canonicalizing sincos to cexpi.
9068 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9069
9070 2007-02-05 Roger Sayle <roger@eyesopen.com>
9071
9072 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9073 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9074 (alpha_init_builtins): Use alpha_add_builtins to process tables.
9075
9076 2007-02-05 Roger Sayle <roger@eyesopen.com>
9077
9078 * mips-tfile.c (initialize_init_file): Correct endianness test.
9079
9080 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
9081
9082 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9083 the 'y' constraint.
9084
9085 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9086
9087 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9088 saves in a PARALLEL before the register assignments.
9089
9090 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9091
9092 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9093 DWARF_FRAME_RETURN_COLUMN to be a general register.
9094 * dwarf2out.c (init_return_column_size): New function, split from...
9095 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
9096 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9097 to be nongeneral registers.
9098 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9099 integer registers.
9100 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9101 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9102
9103 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9104
9105 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9106
9107 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9108
9109 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9110 (remove_path): Use can_remove_branch_p and remove_branch instead
9111 of loop_delete_branch_edge.
9112 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9113 (tree_transform_and_unroll_loop): Remove dead branches immediately.
9114 Update profile using scale_dominated_blocks_in_loop.
9115 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9116 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9117 (can_remove_branch_p, remove_branch): Declare.
9118 * tree-cfg.c (tree_can_remove_branch_p): New function.
9119 (tree_cfg_hooks): Add tree_can_remove_branch_p.
9120 * cfgrtl.c (rtl_can_remove_branch_p): New function.
9121 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9122
9123 2007-02-05 Jan Hubicka <jh@suse.cz>
9124
9125 PR middle-end/30696
9126 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9127 nodes in cgraph, don't remove offline copy of the function.
9128
9129 2007-02-04 Jan Hubicka <jh@suse.cz>
9130
9131 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9132 vectors might cause maybe_lookup_element_for_expr to be called
9133 on non-sra-candidate.
9134
9135 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9136
9137 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9138 config/bfin/bfin.md, config/bfin/predicates.md: Follow
9139 spelling conventions.
9140
9141 2007-02-04 Richard Guenther <rguenther@suse.de>
9142
9143 PR middle-end/30636
9144 * fold-const.c (try_move_mult_to_index): Make sure to not
9145 overflow one dimension of a multi-dimensional array access.
9146
9147 2007-02-04 Jan Hubicka <jh@suse.cz>
9148
9149 * passes.c (init_optimization_passes): Reindent.
9150
9151 2007-02-04 Jan Hubicka <jh@suse.cz>
9152 Eric Botcazou <ebotcazou@adacore.com>
9153
9154 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9155 (execute_fixup_cfg): Break out the abnormal goto code.
9156 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9157 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9158 (optimize_inline_calls): Call make_nonlocal_label_edges.
9159
9160 2007-02-04 Jan Hubicka <jh@suse.cz>
9161
9162 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9163 true when something was changed.
9164 (rename_ssa_copies): When something was changed, do
9165 TODO_remove_unused_locals.
9166 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9167 add TODO_remove_unused_locals when instruction was removed.
9168
9169 2007-02-04 Jan Hubicka <jh@suse.cz>
9170
9171 * ipa-inline.c (try_inline): Improve debug output; work on already
9172 inline edges too.
9173 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9174 call try_inline for already inlined edges too when flattening;
9175 inline also functions that make callee growth but overall unit size
9176 reduce.
9177
9178 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9179
9180 * config/m32c/bitops.md, config/m32c/jump.md,
9181 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9182 config/m32r/m32r.h, config/m32r/m32r.md,
9183 config/m32r/predicates.md, config/m68hc11/larith.asm,
9184 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9185 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9186 config/mips/mips-protos.h, config/mips/mips.c,
9187 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9188 config/mn10300/mn10300.h, config/mn10300/predicates.md,
9189 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9190 spelling conventions.
9191
9192 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9193 Follow spelling conventions.
9194
9195 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
9196
9197 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9198 warn about C++0x compatibility.
9199
9200 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9201
9202 * config/h8300/h8300.c, config/h8300/h8300.h,
9203 config/h8300/h8300.md: Follow spelling conventions.
9204
9205 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
9206
9207 PR middle-end/30667
9208 * combine.c (try_combine): Do not substitute source operand
9209 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9210
9211 2007-02-03 Jan Hubicka <jh@suse.cz>
9212
9213 PR gcov-profile/30650
9214 * value-prof.c (stringop_block_profile): Fix handling of size counter;
9215 do not divide by zero for never executed counters.
9216 (tree_find_values_to_profile): Fix counters.
9217 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9218
9219 2007-02-03 Ian Lance Taylor <iant@google.com>
9220
9221 * lower-subreg.c (simple_move_operand): New static function,
9222 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
9223 operands.
9224 (simple_move): Call simple_move_operand.
9225 (find_decomposable_subregs): Add special handling of MEMs.
9226 (can_decompose_p): Rename from cannot_decompose_p. Reverse
9227 meaning of return value. If we see a hard register, test whether
9228 it can store a word_mode value. Change all callers.
9229
9230 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9231
9232 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9233 ftrapv insns and expanders.
9234 (subdi3): Change define_expand operand 1 to arith11_operand, and
9235 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
9236 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
9237 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9238 respectively.
9239
9240 PR middle-end/30174
9241 * varasm.c (notice_global_symbol): Treat global objects as weak when
9242 flag_shlib is true.
9243
9244 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9245
9246 * emit-rtl.c (dconstpi): Delete.
9247 (dconstsqrt2): New.
9248 (init_emit_once): Delete dconstpi and init dconstsqrt2.
9249 * real.h (dconstpi): Delete.
9250 (dconstsqrt2): New.
9251 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9252 (fold_builtin_hypot): Likewise.
9253
9254 2007-02-03 Tom Tromey <tromey@redhat.com>
9255
9256 PR driver/30246
9257 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9258 -gcoff3, -gxcoff3, -gvms3 implies -dD.
9259
9260 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
9261
9262 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9263 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9264 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9265 config/rs6000/cell.md, config/rs6000/darwin.h,
9266 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9267 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9268 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9269 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9270 typos. Follow spelling conventions.
9271 * doc/invoke.texi: Follow spelling conventions.
9272
9273 2007-02-03 Roger Sayle <roger@eyesopen.com>
9274
9275 * simplify-rtx.c (simplify_relational_operation_1): Implement some
9276 canonicalization transformations that attempt to simplify integer
9277 constant comparisons to become comparisons against zero.
9278
9279 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9280
9281 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9282 fabs(x)*sqrt(2).
9283 * fold-const.c (fold_binary): Fix comment typos. Fold complex
9284 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
9285
9286 2007-02-02 Mike Stump <mrs@apple.com>
9287
9288 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9289 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9290 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9291 generate a branch island.
9292
9293 2007-02-02 Bob Wilson <bob.wilson@acm.org>
9294
9295 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9296 (xtensa_legitimate_address_p): New.
9297 (xtensa_legitimize_address): New.
9298 (xtensa_output_addr_const_extra): New.
9299 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9300 (BASE_REG_P): New.
9301 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9302 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9303 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9304 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9305 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9306 (xtensa_legitimize_address): New.
9307 (xtensa_output_addr_const_extra): New.
9308
9309 2007-02-02 Steve Ellcey <sje@cup.hp.com>
9310
9311 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9312
9313 2007-02-02 Ian Lance Taylor <iant@google.com>
9314
9315 * expmed.c (expand_divmod): Add comment.
9316
9317 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
9318
9319 * emit-rtl.c (renumber_insns): Remove.
9320 * flags.h: Remove the extern for flag_renumber_insns.
9321 * rtl.h: Remove the prototype for renumber_insns.
9322 * toplev.c (flag_renumber_insns): Remove.
9323
9324 2007-02-02 Hui-May Chang <hm.chang@apple.com>
9325
9326 Revert for x86 darwin:
9327 2005-06-19 Uros Bizjak <uros@kss-loka.si>
9328
9329 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9330 code before the following patch under TARGET_MACHO.
9331 (ix86_function_value_regno_p): Likewise.
9332
9333 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9334
9335 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9336 COMPLEX_EXPR.
9337
9338 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9339
9340 PR target/29682
9341 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9342 general or fp registers. Add comments.
9343 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9344
9345 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
9346
9347 * pointer-set.c (insert_aux): Only return insertion slot.
9348 (pointer_set_insert): Adjust.
9349 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9350 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9351 pointer_map_traverse): New.
9352 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9353 pointer_map_create, pointer_map_destroy, pointer_map_insert,
9354 pointer_map_contains, pointer_map_traverse): Declare.
9355
9356 2007-02-02 Jakub Jelinek <jakub@redhat.com>
9357
9358 PR middle-end/30473
9359 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9360 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
9361
9362 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9363
9364 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9365
9366 (struct _dep): New type.
9367 (dep_t): New typedef.
9368 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9369 (DEP_STATUS): New access macro. The macro with the same name was
9370 renamed to DEP_LINK_STATUS.
9371 (dep_init): Declare function
9372
9373 (struct _dep_link): New type.
9374 (dep_link_t): New typedef.
9375 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9376 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9377 (DEP_LINK_STATUS): New macro.
9378 (debug_dep_links): New debug function.
9379
9380 (struct _deps_list): New type.
9381 (deps_list_t): New typedef.
9382 (DEPS_LIST_FIRST): New access macro.
9383 (FOR_EACH_DEP_LINK): New cycle macro.
9384 (create_deps_list, free_deps_list, delete_deps_list): Declare
9385 functions.
9386 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9387 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9388 (copy_deps_list_change_con): Ditto.
9389
9390 (move_dep_link): Declare function.
9391
9392 (struct _dep_node): New type.
9393 (dep_node_t): New typedef.
9394 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9395
9396 (struct haifa_insn_data.back_deps): New field to hold backward
9397 dependencies of the insn.
9398 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
9399 to deps_list_t.
9400 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9401 Change its type to deps_list_t.
9402 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9403 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9404 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9405
9406 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
9407
9408 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
9409
9410 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9411 all callers.
9412 (dep_cost): Declare.
9413
9414 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9415 (ds_to_dk, dk_to_ds): New functions.
9416
9417 (init_dep_1): New static function.
9418 (init_dep): New function.
9419 (copy_dep): New static function.
9420
9421 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9422 functions.
9423 (detach_dep_link): New static function.
9424 (move_dep_link): New function.
9425
9426 (dep_links_consistent_p, dump_dep_links): New static functions.
9427 (debug_dep_links): New debugging function.
9428
9429 (deps_obstack, dl_obstack, dn_obstack): New static variables.
9430
9431 (alloc_deps_list, init_deps_list): New static functions.
9432 (create_deps_list): New function.
9433 (clear_deps_list): New static function.
9434 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9435 (deps_list_consistent_p, dump_deps_list): New static functions.
9436 (debug_deps_list): New function.
9437 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9438 functions.
9439 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9440
9441 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9442 use new scheduler dependencies lists.
9443 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9444 (sched_analyze): Ditto. Initialize dependencies lists.
9445 (add_forw_dep, compute_forward_dependences): Update to use new
9446 scheduler dependencies lists.
9447
9448 (init_dependency_caches): Init deps_obstack.
9449 (free_dependency_caches): Free deps_obstack.
9450
9451 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9452 new scheduler dependencies lists.
9453 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9454 (add_back_forw_dep, delete_back_forw_dep): Ditto.
9455
9456 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9457 Update to use new scheduler dependencies lists.
9458 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9459 (debug_dependencies): Ditto.
9460 (schedule_region): Update comments.
9461
9462 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9463 scheduler dependencies lists.
9464 (schedule_ebb): Update comments.
9465
9466 * rtl.def (DEPS_LIST): Remove.
9467
9468 * lists.c (unused_deps_list): Remove.
9469 (free_list): Update assertions.
9470
9471 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9472 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9473
9474 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9475 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9476
9477 * haifa-sched.c (comments): Update.
9478 (insn_cost1): Remove. Inline the code into insn_cost ().
9479 (insn_cost): Update to use new scheduler dependencies lists. Move
9480 processing of the dependency cost to dep_cost ().
9481 (dep_cost): New function. Use it instead of insn_cost () when
9482 evaluating cost of the dependency. Use compatible interface to
9483 interact with the target.
9484 (priority): Update to use new scheduler dependencies lists.
9485 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
9486 with greater number of insns that depend on the insn.
9487 (schedule_insn): Update to use new scheduler dependencies lists. Add
9488 code to free backward dependencies lists. Inline and optimize code
9489 from resolve_dep () - see PR28071.
9490 (ok_for_early_queue_removal): Update to use new scheduler dependencies
9491 lists. Update call to targetm.sched.is_costly_dependence hook.
9492
9493 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9494 scheduler dependencies lists.
9495
9496 (resolve_dep): Remove. Move the logic to schedule_insn ().
9497 (init_h_i_d): Initialize dependencies lists.
9498
9499 (process_insn_depend_be_in_spec): Rename to
9500 process_insn_forw_deps_be_in_spec. Update to use new scheduler
9501 dependencies lists.
9502 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9503 Update to use new scheduler dependencies lists.
9504 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9505
9506 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9507 new scheduler dependencies lists.
9508 (build_intra_loop_deps): Ditto.
9509
9510 * target.h (struct _dep): Declare to use in
9511 gcc_target.sched.is_costly_dependence.
9512 (struct gcc_target.sched.adjust_cost): Fix typo.
9513 (struct gcc_target.sched.is_costly_dependence): Change signature to use
9514 single dep_t parameter instead of an equivalent triad.
9515 (struct gcc_target.sched.adjust_cost_2): Remove.
9516
9517 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9518
9519 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9520
9521 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9522 documentation.
9523 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9524
9525 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9526 (REG_DEP_TRUE): Document.
9527
9528 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9529 Change signature to correspond to the targetm.sched.adjust_cost hook.
9530 Update use in TARGET_SCHED_ADJUST_COST_2.
9531 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9532 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9533 new scheduler dependencies lists.
9534 (ia64_gen_check): Ditto.
9535
9536 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9537 dependencies lists.
9538
9539 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9540 signature to correspond to the targetm.sched.is_costly_dependence hook.
9541 (is_costly_group): Update to use new scheduler dependencies lists.
9542
9543 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9544 instead of INSN_COST () macro.
9545
9546 2007-02-01 Ian Lance Taylor <iant@google.com>
9547
9548 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9549
9550 2007-02-01 Guy Martin <gmsoft@gentoo.org>
9551
9552 * pa.md (tp_load): Correct mfctl instruction syntax.
9553
9554 2007-02-01 Geoffrey Keating <geoffk@apple.com>
9555
9556 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9557 altivec_padding_size calculation on AIX. Improve comment, add
9558 assert to verify that it's right.
9559
9560 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9561 64-bit.
9562
9563 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
9564
9565 PR inline-asm/28686
9566 * global.c (global_alloc): Add mising initialization of
9567 ELIMINABLE_REGSET.
9568
9569 2007-02-01 Roger Sayle <roger@eyesopen.com>
9570
9571 * alias.c (init_alias_analysis): Correct whitespace.
9572 * bb-reorder.c (fix_edges_for_rarely_executed_code,
9573 partition_hot_cold_basic_blocks): Likewise.
9574 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9575 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9576 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9577 fold_builtin_snprintf_chk, fold_builtin_printf,
9578 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9579 do_mpfr_arg3, do_mpfr_sincos): Likewise.
9580 * cfgcleanup.c (cleanup_cfg): Likewise.
9581 * cfgexpand.c (tree_expand_cfg): Likewise.
9582 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9583 * function.c (get_next_funcdef_no): Likewise.
9584 * gengtype.c (main): Likewise.
9585 * genmodes.c (main): Likewise.
9586 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9587 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9588 * ifcvt.c (noce_emit_move_insn): Likewise.
9589 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9590 Likewise.
9591 * stor-layout.c (get_best_mode): Likewise.
9592 * tree-ssa-loop-niter.c (get_val_for): Likewise.
9593 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9594 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9595 perform_var_substitution, solve_graph): Likewise.
9596 * tree-vrp.c (vrp_finalize): Likewise.
9597
9598 2007-02-01 Ian Lance Taylor <iant@google.com>
9599
9600 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9601 high part of a paradoxical subreg, return a constant zero.
9602
9603 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
9604
9605 * toplev.c (lang_dependent_init): Call init_set_costs.
9606 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9607
9608 2007-02-01 Richard Guenther <rguenther@suse.de>
9609
9610 PR middle-end/30656
9611 * fold-const.c (fold_negate_expr): Allow negating a
9612 constant if overflow does not change.
9613
9614 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9615
9616 * doc/c-tree.texi (Expression trees): Improve markup.
9617 * doc/tm.texi (Register Classes, Addressing Modes)
9618 (Floating Point): Fix spacing after abbreviations. Fix some
9619 typos.
9620
9621 2007-02-01 Ben Elliston <bje@au.ibm.com>
9622
9623 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9624 * doc/contrib.texi: Likewise.
9625 * doc/install.texi: Likewise.
9626
9627 2007-01-31 Richard Henderson <rth@redhat.com>
9628 Ian Lance Taylor <iant@google.com>
9629
9630 * lower-subreg.c: New file.
9631 * rtl.def (CONCATN): Define.
9632 * passes.c (init_optimization_passes): Add pass_lower_subreg and
9633 pass_lower_subreg2.
9634 * emit-rtl.c (update_reg_offset): New static function, broken out
9635 of gen_rtx_REG_offset.
9636 (gen_rtx_REG_offset): Call update_reg_offset.
9637 (gen_reg_rtx_offset): New function.
9638 * regclass.c: Revert patch of 2006-03-05, restoring
9639 reg_scan_update.
9640 (clear_reg_info_regno): New function.
9641 * dwarf2out.c (concatn_loc_descriptor): New static function.
9642 (loc_descriptor): Handle CONCATN.
9643 * common.opt (fsplit_wide_types): New option.
9644 * opts.c (decode_options): Set flag_split_wide_types when
9645 optimizing.
9646 * timevar.def (TV_LOWER_SUBREG): Define.
9647 * rtl.h (gen_reg_rtx_offset): Declare.
9648 (reg_scan_update): Declare.
9649 * regs.h (clear_reg_info_regno): Declare.
9650 * tree-pass.h (pass_lower_subreg): Declare.
9651 (pass_lower_subreg2): Declare.
9652 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9653 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
9654 -fsplit-wide-types.
9655 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9656 * Makefile.in (OBJS-common): Add lower-subreg.o.
9657 (lower-subreg.o): New target.
9658
9659 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9660
9661 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9662
9663 2007-01-31 Anatoly Sokolov <aesok@post.ru>
9664
9665 PR target/19087
9666 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9667
9668 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9669
9670 PR middle-end/29335
9671 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9672
9673 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
9674
9675 * cfgloop.h: Include vec-prim.h.
9676 (enum li_flags): Remove LI_ONLY_OLD.
9677 (loop_iterator): Changed.
9678 (fel_next, fel_init): Iterate over loop tree.
9679 (FOR_EACH_LOOP_BREAK): New macro.
9680 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9681 FOR_EACH_LOOP.
9682 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9683 * modulo-sched.c (sms_schedule): Ditto.
9684 * tree-vectorizer.c (vectorize_loops): Ditto.
9685 * doc/loop.texi: Update information on loop numbering and behavior of
9686 FOR_EACH_LOOP wrto new loops.
9687 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9688 add_to_evolution_1): Test nestedness of loops instead of comparing
9689 their numbers.
9690 * tree-chrec.c (chrec_fold_plus_poly_poly,
9691 chrec_fold_multiply_poly_poly, chrec_evaluate,
9692 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9693 reset_evolution_in_loop): Ditto.
9694 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9695
9696 2007-01-31 Dirk Mueller <dmueller@suse.de>
9697
9698 * c-common.c (warn_about_parentheses): Separate warning about
9699 un-parenthized sequence of comparison operators from the one
9700 which is supposed to warn about x <= y <= z.
9701
9702 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
9703
9704 * optabs.h (enum optab_index): Add new OTI_isinf.
9705 (isinf_optab): Define corresponding macro.
9706 * optabs.c (init_optabs): Initialize isinf_optab.
9707 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9708 patterns.
9709 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9710 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9711 using isinf_optab.
9712 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9713 expand_builtin_interclass_mathfn.
9714 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9715 * config/i386/i386.md (UNSPEC_FXAM): New constant.
9716 (fxam<mode>2_i387): New insn pattern.
9717 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9718 built-in functions as x87 inline asm.
9719
9720 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9721
9722 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9723
9724 2007-01-30 Eric Christopher <echristo@apple.com>
9725
9726 * config.gcc: Add geode.
9727
9728 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9729
9730 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9731 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9732 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9733 value-prof.c: Fix comment typos.
9734
9735 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9736
9737 PR c++/24745
9738 * doc/invoke.texi (Wpointer-arith): Document warning.
9739
9740 2007-01-30 Janis Johnson <janis187@us.ibm.com>
9741
9742 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9743 the list of discrepancies from the draft TR.
9744
9745 2007-01-30 Dirk Mueller <dmueller@suse.de>
9746
9747 PR c++/30601
9748 * doc/invoke.texi (-Wreturn-type): Update description to
9749 match new behavior.
9750
9751 2007-01-30 Richard Sandiford <richard@codesourcery.com>
9752
9753 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9754
9755 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
9756
9757 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9758 to handle optabs that operate on floating point input argument and
9759 output to integer output.
9760 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9761 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9762 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9763 expand_builtin_interclass_mathfn ().
9764 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9765 (ilogbsi2): Remove.
9766 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9767 ilogbl built-in functions as x87 intrinsics.
9768
9769 2007-01-30 Richard Guenther <rguenther@suse.de>
9770
9771 PR middle-end/27657
9772 * dwarf2out.c (reference_to_unused): Query varpool if the
9773 variable was output.
9774
9775 2007-01-30 Richard Guenther <rguenther@suse.de>
9776
9777 PR middle-end/30313
9778 * passes.c (execute_one_pass): Reset in_gimple_form to not
9779 confuse non-unit-at-a-time mode.
9780
9781 2007-01-29 Roger Sayle <roger@eyesopen.com>
9782 Richard Guenther <rguenther@suse.de>
9783
9784 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9785 avoid undefined behaviour on overflow. Use force_fit_type_double
9786 to construct the constant with the specified TREE_OVERFLOW.
9787
9788 2007-01-29 Janis Johnson <janis187@us.ibm.com>
9789
9790 * config/dfp-bit.c: Add parameterized support for fp exceptions.
9791 * config/dfp-bit.h: Ditto.
9792
9793 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9794
9795 * c-decl.c (pop_scope): Replace warnings with call to
9796 warn_for_unused_label.
9797 * c-common.h (warn_for_unused_label): Declare.
9798 * c-common.c (warn_for_unused_label): Define.
9799
9800 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9801
9802 * tree-optimize.c (update_inlined_to_pointers): Delete unused
9803 function.
9804
9805 2007-01-29 Janis Johnson <janis187@us.ibm.com>
9806
9807 * Makefile.in (USER_H): Remove decfloat.h.
9808 * ginclude/decfloat.h: Delete, moving contents to ...
9809 * ginclude/float.h: Add support for decimal floating point,
9810 guarded by __STDC_WANT_DEC_FP__.
9811
9812 2007-01-29 Mike Stump <mrs@apple.com>
9813
9814 * doc/gccint.texi (Top): Rename Loop Representation to Loop
9815 Analysis and Representation to resolve case insensitive conflict.
9816 * doc/loop.texi (Loop Analysis and Representation): Likewise.
9817
9818 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
9819
9820 * tree.h (struct tree_memory_tag): Add aliases member.
9821 (MTAG_ALIASES): New macro.
9822 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9823 (add_may_alias): Remove pointer-set. Update for may_aliases being
9824 a bitmap.
9825 (mark_aliases_call_clobbered): Update for may_aliases being a
9826 bitmap.
9827 (compute_tag_properties): Ditto.
9828 (create_partition_for): Ditto.
9829 (compute_memory_partitions): Ditto.
9830 (dump_may_aliases_for): Ditto.
9831 (is_aliased_with): Ditto.
9832 (add_may_alias_for_new_tag): Ditto.
9833 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9834 (compute_is_aliased): New function.
9835 (compute_may_aliases): Call compute_is_aliased).
9836 (init_alias_info): Initialize alias_bitmap_obstack.
9837 (union_alias_set_into): New function.
9838 (compute_flow_sensitive_aliasing): Use union_aliases_into.
9839 (have_common_aliases_p): Rewrite to take two bitmaps and use
9840 intersection.
9841 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9842 Update for bitmaps.
9843 (finalize_ref_all_pointers): Update for add_may_alias changes.
9844 (new_type_alias): Ditto.
9845 * tree-flow-inline.h (may_aliases): Return a bitmap.
9846 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9847 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9848 may_aliases being a bitmap.
9849 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9850 may_aliases now returns a bitmap.
9851 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9852 being a bitmap.
9853 * tree-ssa-operands.c (add_virtual_operand): Update for
9854 may_aliases being a bitmap.
9855
9856 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
9857
9858 PR tree-optimization/30630
9859 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9860 variable as changed.
9861
9862 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
9863
9864 PR c++/28266
9865 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9866 expanded only once even if an error occurs.
9867
9868 2007-01-29 Ben Elliston <bje@au.ibm.com>
9869
9870 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9871 (__gcov_average_profiler): Likewise.
9872 (__gcov_ior_profiler): Likewise.
9873 (__gcov_merge_ior): Likewise.
9874
9875 2007-01-28 Jan Hubicka <jh@suse.cz>
9876
9877 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9878 * value-prof.c (stringop_block_profile): Likewise.
9879
9880 2007-01-28 Jan Hubicka <jh@suse.cz>
9881
9882 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9883 variant handling histograms; add wrapper.
9884 (clear_storage_via_libcall): Export.
9885 (emit_block_move_hints): Break out from ...; add histograms.
9886 (emit_block_move): ... this one.
9887 (clear_storage_hints): Break out from ...; add histograms.
9888 (clear_storage): ... this one.
9889 (set_storage_via_memset): Handle histogram.
9890 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9891 (clear_storage_hints, clear_storage_via_libcall): Declare.
9892 (set_storage_via_setmem): Update prototype.
9893 * doc/md.texi (movmem, setmem): Document new arguments.
9894
9895 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9896 new histograms.
9897 (stringop_block_profile): New global function.
9898 (tree_stringops_values_to_profile): Profile block size and alignment.
9899 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9900 HIST_TYPE_IOR.
9901 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9902 (stringop_block_profile): Declare.
9903 * builtins.c: Include value-prof.h.
9904 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9905 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9906 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9907 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9908 * profile.c (instrument_values): Add new counters.
9909 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9910 calls.
9911 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9912 (tree_init_edge_profiler): Build new profilers.
9913 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9914 (pass_tree_profile): Add dump.
9915 (tree_profile_hooks): Update.
9916 * Makefile.in (LIBGCOV): Add new constants.
9917 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9918 __gcov_ior_profiler): New.
9919 * i386.md (movmem/setmem expanders): Add new optional arguments.
9920
9921 2007-01-28 David Edelsohn <edelsohn@gnu.org>
9922
9923 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9924
9925 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
9926
9927 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9928 (tree_unswitch_single_loop): Pass eni_size_weights to
9929 tree_num_loop_insns.
9930 * tree-ssa-loop-manip.c: Include tree-inline.h.
9931 (can_unroll_loop_p): Pass eni_size_weights to
9932 tree_num_loop_insns.
9933 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9934 Pass eni_size_weights to estimate_num_insns.
9935 * tree.h (init_inline_once): Export.
9936 * toplev.c (backend_init): Call init_inline_once.
9937 * cgraphunit.c (cgraph_process_new_functions,
9938 cgraph_analyze_function): Pass eni_inlining_weights to
9939 estimate_num_insns.
9940 * ipa-inline.c (compute_inline_parameters): Ditto.
9941 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9942 to estimate_num_insns.
9943 (try_unroll_loop_completely): Pass eni_size_weights to
9944 tree_num_loop_insns.
9945 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9946 ot estimate_num_insns.
9947 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9948 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9949 * tree-inline.c (eni_inlining_weights, eni_size_weights,
9950 eni_time_weights): New variables.
9951 (init_inline_once): Initialize them.
9952 (struct eni_data): Mew.
9953 (estimate_num_insns_1, estimate_num_insns): Use weights.
9954 * tree-inline.h (struct eni_weights_d): New.
9955 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
9956 (estimate_num_insns): Declaration changed.
9957 * cfgloop.h (tree_num_loop_insns): Declaration changed.
9958 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
9959 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
9960
9961 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
9962
9963 * tree-data-ref.c (conflict_fn): Assert that the number of affine
9964 relations in the conflict function is valid.
9965
9966 2007-01-27 Ian Lance Taylor <iant@google.com>
9967
9968 * common.opt: Add fstrict-overflow.
9969 * opts.c (decode_options): Set flag_strict_overflow if -O2.
9970 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
9971 (TYPE_OVERFLOW_UNDEFINED): Define.
9972 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
9973 Replace all uses.
9974 * tree.h (TYPE_TRAP_SIGNED): Don't define.
9975 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
9976 (fold_negate_expr): Likewise.
9977 (make_range): Likewise.
9978 (extract_muldiv_1): Likewise.
9979 (maybe_canonicalize_comparison): Likewise.
9980 (fold_comparison): Likewise.
9981 (fold_binary): Likewise.
9982 (tree_expr_nonnegative_p): Likewise.
9983 (tree_expr_nonzero_p): Likewise.
9984 * tree-vrp.c (compare_values): Likewise.
9985 (extract_range_from_binary_expr): Likewise.
9986 (extract_range_from_unary_expr): Likewise.
9987 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
9988 Likewise.
9989 (nowrap_type_p): Likewise.
9990 * tree-scalar-evolution.c (simple_iv): Likewise.
9991 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
9992 (build_range_check): Likewise.
9993 (extract_muldiv_1): Likewise.
9994 (fold_comparison): Likewise.
9995 * tree-vrp.c (vrp_int_const_binop): Likewise.
9996 (extract_range_from_unary_expr): Likewise.
9997 * convert.c (convert_to_integer): Likewise.
9998 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
9999 (fold_comparison): Likewise.
10000 (fold_binary): Likewise.
10001 * optabs.c (optab_for_tree_code): Likewise.
10002 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10003 * simplify-rtx.c (simplify_const_relational_operation): Check
10004 flag_strict_overflow and flag_trapv.
10005 (simplify_const_relational_operation): Likewise.
10006 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10007 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
10008 -fstrict-overflow.
10009
10010 2007-01-27 Roger Sayle <roger@eyesopen.com>
10011
10012 * tree.c (tree_fold_gcd): Delete.
10013 * tree.h (tree_fold_gcd): Remove prototype.
10014 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10015 test whether one constant integer is a multiple of another. Instead
10016 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10017 * fold-const.c (multiple_of_p): We've determined both TOP and
10018 BOTTOM are integer constants so we can call int_const_binop directly
10019 instead of the more generic const_binop.
10020
10021 2007-01-27 Roger Sayle <roger@eyesopen.com>
10022
10023 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10024 1*X check that the constant hasn't overflowed, to preserve the
10025 TREE_OVERFLOW bit.
10026 (round_up): Provide an efficient implementation when rouding-up an
10027 INTEGER_CST to a power-of-two.
10028
10029 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10030
10031 * doc/sourcebuild.texi: Add comma for clarity.
10032 * doc/extend.texi: Fix some typos.
10033 * doc/passes.texi: Likewise.
10034 * doc/cppinternals.texi: Likewise.
10035 * doc/c-tree.texi: Likewise.
10036 * doc/tree-ssa.texi: Likewise.
10037 * doc/install.texi: Likewise.
10038
10039 2007-01-27 Jan Hubicka <jh@suse.cz>
10040
10041 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10042 (pass_sra): Do not require alias information.
10043 * passes.c (init_optimization_passes): Add SRA
10044
10045 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
10046
10047 * tracer.c (rest_of_handle_tracer): We already cleaned
10048 up the CFG in tracer() so don't do it here again.
10049 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10050 cleanup_cfg here, either. And don't call renumber_insns.
10051
10052 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10053 and BB_HEAD are in the insn stream here. Instead make sure
10054 that BB_INSN is valid on all insns. Also, do check here that
10055 there are no pending branch predictions...
10056 (rtl_verify_flow_info): ...instead of doing it here. Checks
10057 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10058 here.
10059
10060 2007-01-26 Roger Sayle <roger@eyesopen.com>
10061
10062 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10063 function to simplify/factorize operand order canonicalization.
10064 (ix86_fixup_binary_operands): Reorganize using the above function.
10065 (ix86_binary_operator_ok): Likewise.
10066
10067 2007-01-27 Jakub Jelinek <jakub@redhat.com>
10068
10069 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10070 file scope from optimize_attrs.
10071 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10072 up search.
10073 (optimize_attrs): Clear insn_code_values after freeing it.
10074
10075 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10076
10077 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10078 a parts.base assignment.
10079
10080 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10081
10082 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10083 (compute_subscript_distance, initialize_data_dependence_relation,
10084 finalize_ddr_dependent, analyze_ziv_subscript,
10085 analyze_siv_subscript_cst_affine,
10086 compute_overlap_steps_for_affine_univar,
10087 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10088 analyze_siv_subscript, analyze_miv_subscript,
10089 analyze_overlapping_iterations, subscript_dependence_tester_1,
10090 compute_self_dependence, free_dependence_relation): Work
10091 with affine_fn instead of chrecs.
10092 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10093 common_affine_function, affine_function_base,
10094 affine_function_constant_p, affine_fn_op, affine_fn_plus,
10095 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10096 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10097 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10098 (all_chrecs_equal_p): Removed.
10099 * tree-data-ref.h (affine_fn, conflict_function): New types.
10100 (struct subscript): Change type of conflicting_iterations_in_a
10101 and conflicting_iterations_in_b.
10102
10103 2007-01-26 Steve Ellcey <sje@cup.hp.com>
10104
10105 PR other/30182
10106 * config/pa/pa.h (TARGET_HPUX_11): New.
10107 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10108 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10109
10110 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
10111 Richard Guenther <rguenther@suse.de>
10112
10113 * tree-ssa-structalias.c (solve_graph): Handle case
10114 we merged the variable to another.
10115
10116 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10117
10118 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10119 functions.
10120
10121 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10122 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10123
10124 2007-01-25 DJ Delorie <dj@redhat.com>
10125
10126 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10127 allow changes to modes which don't fit in those registers.
10128
10129 * reload1.c (choose_reload_regs): Check for invalid subregs before
10130 computing their locations, not after.
10131
10132 2007-01-25 Geoffrey Keating <geoffk@apple.com>
10133
10134 PR 25127
10135 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10136 save Altivec registers in an eh_return function.
10137 (compute_vrsave_mask): Likewise.
10138 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10139 for saving Altivec registers.
10140 (rs6000_emit_prologue): Don't allocate stack twice in
10141 eh_return function. Correct expected value of altivec_save_offset
10142 when using save_world. Describe save of R0 to stack when using
10143 save_world. Describe stack pointer adjustment when using
10144 save_world. Remove duplicated eh_return parameter register saving.
10145 Update sp_offset variable after save_world.
10146 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10147 darwin-world.asm.
10148 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10149 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10150 implies Altivec.
10151
10152 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10153
10154 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10155
10156 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10157
10158 PR other/30182
10159 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10160 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
10161
10162 2007-01-25 Richard Guenther <rguenther@suse.de>
10163
10164 * doc/invoke.texi (-Wcoverage-mismatch): Document.
10165 * common.opt (-Wcoverage-mismatch): New warning option.
10166 * coverage.c (get_coverage_counts): Ignore coverage mismatch
10167 if -Wcoverage-mismatch is given.
10168
10169 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
10170
10171 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10172 (ipcp_driver): Change to static definition.
10173 Add dumping of the ifunctions.
10174 (constant_val_insert): Remove unused parameter. Support for SSA.
10175 (ipcp_propagate_const): Support for SSA.
10176 (ipcp_profile_bb_print): Print only analyzed nodes.
10177 (ipcp_replace_map_create): Remove support for Fortran constant
10178 for now.
10179 * ipa-prop.c (ipa_method_modify_stmt,
10180 ipa_callsite_compute_param): Support for SSA.
10181 * ipa-prop.h (ipcp_driver): Remove declaration.
10182 (IS_VALID_TREE_MAP_INDEX): Add define.
10183
10184 2007-01-24 Geoffrey Keating <geoffk@apple.com>
10185
10186 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10187
10188 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10189
10190 PR middle-end/30447
10191 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10192 constant argument to cabs and do it without checking for
10193 -funsafe-math-optimizations.
10194
10195 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
10196
10197 * c-common.h (RID_FIRST_CXX0X): New.
10198 (RID_LAST_CXX0X): New.
10199 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10200 by -Wall.
10201 * c.opt (Wc++0x-compat): New.
10202 * doc/invoke.texi (-Wc++0x-compat): Document.
10203
10204 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10205
10206 * builtins.c (fold_builtin_carg): New.
10207 (fold_builtin_1): Use it.
10208
10209 2007-01-24 Jan Hubicka <jh@suse.cz>
10210
10211 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10212
10213 * ipa-inline.c (initial_insns, max_insns): Delete.
10214 (compute_max_insns): New function.
10215 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10216 of insns as base for code growth.
10217 (cgraph_decide_inlining): Make initial_insns local; do not compute
10218 max_insns.
10219 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10220 * doc/invoke.texi (inline-unit-growth): Update docs.
10221
10222 2007-01-24 Jakub Jelinek <jakub@redhat.com>
10223
10224 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10225 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10226 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10227 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
10228 for CPUs that have PTA_CX16 set.
10229
10230 PR middle-end/27416
10231 * gimplify.c (omp_check_private): New function.
10232 (gimplify_scan_omp_clauses): Use it for
10233 firstprivate/lastprivate/reduction.
10234
10235 PR middle-end/30494
10236 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10237 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10238
10239 PR middle-end/30421
10240 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10241 If lower_lastprivate_clauses emits some statements, append them
10242 to dlist rather than body_p and to body_p append an initializer.
10243 (lower_omp_for): Adjust caller.
10244
10245 2007-01-24 Steve Ellcey <sje@cup.hp.com>
10246
10247 * target.h (globalize_decl_name): New.
10248 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10249 * output.h (default_globalize_decl_name): New.
10250 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10251 globalize_label.
10252 (globalize_decl): Ditto.
10253 (default_globalize_decl_name): New.
10254 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10255 (ia64_handle_version_id_attribute): New.
10256 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10257 (ia64_asm_output_external): Use globalize_decl_name instead
10258 of globalize_label.
10259 * doc/extend.texi (version_id): New pragma.
10260 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10261
10262 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10263
10264 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10265 _uleb128_t and _Unwind_SWord with _sleb128_t.
10266 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10267 uw_frame_state_for, uw_update_context_1): Likewise.
10268 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10269 * unwind-pe.h (read_uleb128, read_sleb128,
10270 read_encoded_value_with_base): Likewise.
10271 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10272
10273 2007-01-24 Richard Guenther <rguenther@suse.de>
10274
10275 * builtins.c (expand_builtin_cexpi): Get the fndecl
10276 for cexp in the correct way.
10277
10278 2007-01-24 Jan Hubicka <jh@suse.cz>
10279
10280 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10281
10282 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10283
10284 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10285 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10286 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10287 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10288 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10289 __SIZEOF_PTRDIFF_T__.
10290 * doc/cpp.texi: Documentation for the new builtin macros added.
10291
10292 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
10293
10294 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10295 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10296 instead of operands[2] to avoid access past the end of array.
10297
10298 2007-01-24 Richard Sandiford <richard@codesourcery.com>
10299
10300 * reload1.c (emit_reload_insns): Pass the reload register
10301 for a non-spill output reload through forget_old_reloads_1.
10302
10303 2007-01-23 Joseph Myers <joseph@codesourcery.com>
10304
10305 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10306 _SOFT_DOUBLE if doubles use software floating-point.
10307 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10308 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10309 * config/rs6000/darwin-ldouble.c: Also compile functions for
10310 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
10311 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10312 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10313 commented-out long double override.
10314 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10315 * config/rs6000/eabispe.h: Likewise.
10316 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10317 long double for non-SPE.
10318 (rs6000_handle_option): Likewise.
10319 (invalid_e500_subreg): Disallow more subregs involding DImode,
10320 DFmode, TImode or TFmode.
10321 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10322 E500 double.
10323 (legitimate_lo_sum_address_p): Also check for TFmode for E500
10324 double.
10325 (rs6000_legitimize_address): Also handle TFmode for E500 double.
10326 (rs6000_legitimize_reload_address): Also handle TFmode for E500
10327 double.
10328 (rs6000_legitimate_address): Also check for TFmode for E500
10329 double.
10330 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10331 (spe_build_register_parallel): Handle TFmode and TCmode.
10332 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10333 double.
10334 (function_arg): Handle TFmode and TCmode for E500 double.
10335 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10336 in general.
10337 (print_operand): Handle TFmode and TImode for %y.
10338 (rs6000_generate_compare): Handle TFmode comparisons for E500
10339 double.
10340 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10341 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10342 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10343 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10344 TFmode for E500 double.
10345 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10346 (floatsidf2): Enable for E500 double.
10347 (movtf_softfloat): Use rs6000_nonimmediate_operand.
10348 (extenddftf2): Change to extenddftf2_fprs.
10349 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10350 depending on TARGET_E500_DOUBLE.
10351 (extendsftf2): Enable for E500 double.
10352 (trunctfdf2): Enable for E500 double.
10353 (trunctfsf2): Change to trunctfsf2_fprs.
10354 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10355 depending on TARGET_E500_DOUBLE.
10356 (floatsitf2): Enable for E500 double.
10357 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10358 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10359 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10360 (negtf2): Change to negtf2_internal.
10361 (negtf2): New expander.
10362 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
10363 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10364 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10365 (movdi_internal32): Use rs6000_nonimmediate_operand.
10366 (unnamed splitter): Likewise.
10367 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10368 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10369 (SPE64TF, DITI): New mode macros.
10370 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10371 modes.
10372 (frob_tf_ti): New.
10373 (frob_<mode>_di_2): New.
10374 (frob_tf_di_8_2): New.
10375 (frob_di_df): Change to frob_di_<mode>; allow more modes.
10376 (frob_ti_tf): New.
10377 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10378 more modes.
10379 (frob_ti_<mode>_8_2): New.
10380 (frob_ti_tf_2): New.
10381 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10382 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10383 TFmode.
10384 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10385 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10386 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10387 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10388 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10389 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10390 tsttflt_gp): New.
10391
10392 2007-01-23 Ian Lance Taylor <iant@google.com>
10393
10394 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10395 insn-*.o first.
10396 (OBJS-archive): Reformat, alphabetize.
10397 (OBJS): Change out_object_file to OBJS-md.
10398
10399 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
10400
10401 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10402 JUMP_P and CALL_P predicates where applicable.
10403 * config/i386/i386.c: Ditto.
10404 * config/i386/i386.md: Ditto.
10405 * config/i386/mmx.md: Ditto.
10406 * config/i386/predicates.md: Ditto.
10407
10408 2007-01-22 Andreas Schwab <schwab@suse.de>
10409
10410 * config/m68k/m68k.h: Fix comment.
10411
10412 2007-01-22 Jan Hubicka <jh@suse.cz>
10413
10414 * passes.c (init_optimization_passes): Do not rerun
10415 pass_early_warn_uninitialized.
10416
10417 2007-01-22 Richard Guenther <rguenther@suse.de>
10418
10419 PR tree-optimization/30038
10420 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10421 function.
10422 (execute_cse_sincos_1): Likewise.
10423 (execute_cse_sincos): Likewise.
10424 (gate_cse_sincos): Likewise.
10425 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10426 the cexpi() canonicalization of sincos().
10427 * tree-pass.h (pass_cse_sincos): Declare.
10428 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10429
10430 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10431
10432 PR rtl-optimization/29329
10433 * combine.c (replaced_rhs_insn): Rename to i2mod.
10434 (replaced_rhs_value): Rename to i2mod_new_rhs.
10435 (i2mod_old_rhs): New global variable.
10436 (combine_instructions): Adjust for above change. Save a copy of
10437 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10438 note are substituted in the second instruction.
10439 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
10440 ditch the note if it pertains to the second eliminated register
10441 and this register is mentioned in i2mod_old_rhs.
10442
10443 Revert:
10444 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
10445
10446 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10447 the insn to which the note was originally attached.
10448
10449 2007-01-21 Jan Hubicka <jh@suse.cz>
10450
10451 * ipa-inline.c (inlining_mode): Comment, move up.
10452 (cgraph_decide_inlining_incrementally): Do not perform inlining
10453 itself; fix handling of flattening of self recursive functions.
10454 (cgraph_find_cycles): Remove.
10455 (cgraph_flatten_node): Remove.
10456 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10457 (try_inline): New function.
10458 (cgraph_early_inlining): Update call of
10459 cgraph_decide_inlining_incrementally. Apply inlining here.
10460 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10461
10462 2007-01-21 Dirk Mueller <dmueller@suse.de>
10463
10464 PR bootstrap/30511
10465 * tree-vrp.c (check_array_bounds): do not warn
10466 about ADDR_EXPR's of ARRAY_REF's which are immediately
10467 used in binary expressions.
10468
10469 2007-01-21 Ira Rosen <irar@il.ibm.com>
10470
10471 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10472 read_write_dep and macros for its access.
10473 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10474 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10475 argument, call vect_check_interleaving for every independent pair of
10476 data-refs. Mark loads that access the same memory location as a store
10477 in the loop.
10478 (vect_check_dependences): Remove.
10479 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
10480 call, fix the call to vect_analyze_data_ref_dependence.
10481 (vect_analyze_data_ref_access): For statements that access the same
10482 data-ref, check that they are not stores; for loads, check that there
10483 is no store that access the same location.
10484
10485 2007-01-20 Roger Sayle <roger@eyesopen.com>
10486 Joseph Myers <joseph@codesourcery.com>
10487
10488 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10489 (-fdump-rtl-stack): Likewise.
10490 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
10491 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10492 (-mpt-fixed): Use @minus{} for minus sign.
10493 (Using Precompiled Headers): Fix under/overfull hbox.
10494
10495 2007-01-20 Jan Hubicka <jh@suse.cz>
10496
10497 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10498 place within annotation.
10499
10500 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10501
10502 * pa.c (output_move_double): Change array size of xoperands to 4.
10503
10504 2007-01-20 Jan Hubicka <jh@suse.cz>
10505
10506 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10507 as temporary.
10508
10509 2007-01-19 Ian Lance Taylor <iant@google.com>
10510
10511 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10512 constant to unsigned HOST_WIDE_INT before negating.
10513
10514 2007-01-19 Ian Lance Taylor <iant@google.com>
10515
10516 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10517 to unsigned.
10518 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10519 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10520 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10521 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10522 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10523 (realloc_vdef, realloc_vuse): Change second parameter to
10524 unsigned.
10525 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10526 fields to unsigned.
10527 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10528 unsigned. Change x and lim locals to unsigned.
10529 (realloc_vdef, realloc_vuse): Change num_elem parameter to
10530 unsigned.
10531 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10532 (copy_virtual_operands): Change i and n locals to unsigned.
10533
10534 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10535
10536 PR middle-end/29335
10537 * builtins.c (fold_builtin_1): Handle builtin fdim.
10538
10539 2007-01-20 Jan Hubicka <jh@suse.cz>
10540
10541 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10542 * tree-ssa-structalias.c (compute_points_to_sets): Do call
10543 init_alias_heapvars.
10544 (init_alias_heapvars): Initialize only when not already initialized.
10545 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10546
10547 2007-01-19 Roger Sayle <roger@eyesopen.com>
10548
10549 * common.opt (fsigned-zeros): New command line option.
10550 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10551 of flag_unsafe_math_optimizations.
10552 * opts.c (set_fast_math_flags): The -ffast-math command line option
10553 implies -fno-signed-zeros.
10554 (fast_math_flags_set_p): Likewise.
10555
10556 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10557 the documentation of -ffast-math appropriately. Wrap long lines.
10558
10559 2007-01-19 Steve Ellcey <sje@cup.hp.com>
10560
10561 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10562 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10563
10564 2007-01-19 Tomas Bily <tbily@suse.cz>
10565
10566 * cgraphunit.c (cgraph_finalize_function): Updating of pid
10567 * tree-profile.c:
10568 (tree_init_ic_make_global_vars): New function
10569 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10570 (tree_gen_ic_profiler): New function
10571 (tree_gen_ic_func_profiler): New function
10572 (tree_profiling): Added calling of tree_gen_ic_func_profiler
10573 (tree_profile_hooks): Added hook for indirec/virtual calls
10574 * value-prof.c (tree_find_values_to_profile): New case for
10575 indirect calls
10576 (tree_values_to_profile): Call for determining indirect/virtual
10577 counters
10578 (tree_indirect_call_to_profile): New function
10579 (tree_ic_transform): New function
10580 (tree_ic): New function
10581 (find_func_by_pid): New function
10582 (init_pid_map): New function
10583 (tree_value_profile_transformations): Added check for
10584 indirect/virtual call transformation
10585 * value-prof.h (enum hist_type): New counter type for
10586 indirect/virtual calls
10587 (profile_hooks): Added new hook for profiling indirect/virtual
10588 calls
10589 * profile.c (instrument_values): New case for indirect/virtual
10590 call added
10591 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10592 (GCOV_COUNTER_V_INDIR): New counter type
10593 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10594 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10595 call added
10596 * cgraph.c: Definition of cgraph_max_pid
10597 (cgraph_create_node): Default init of pid attribute
10598 * cgraph.h: Declaration of cgraph_max_pid
10599 (struct cgraph_node): Added pid attribute
10600 * libgcov.c (__gcov_indirect_call_profiler): New function
10601 (__gcov_one_value_profiler_body): New function
10602 (__gcov_one_value_profiler): Body was moved to
10603 __gcov_one_value_profiler_body and calls it
10604
10605 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
10606
10607 * doc/gty.texi (Options): Document the mark_hook option to GTY.
10608 * gengtype.c (write_types_data, write_func_for_structure,
10609 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10610 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10611 (walk_type, write_func_for_structure): Generate the mark_hook if
10612 needed.
10613
10614 2007-01-19 Jan Hubicka <jh@suse.cz>
10615
10616 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10617 'early' argument take inlining mode argument specifying whether to
10618 inline for size/speeed or all functions; add support for flattening;
10619 improve dumpting.
10620 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10621
10622 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10623
10624 PR c++/17947
10625 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10626 the name of the declared identifier.
10627
10628 2007-01-19 Dirk Mueller <dmueller@suse.de>
10629
10630 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10631 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10632 duplicate evaluation.
10633
10634 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
10635
10636 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10637 Macroize expander using X87MODEF12 mode macro. Extend operand 1
10638 to XFMode, use acosxf2 and truncate result to requested mode.
10639 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10640 (asin<mode>2): Similarly, with asin expanders.
10641 (*fscalexf4_i387): Rename from *fscalexf4.
10642 (expNcorexf3): New expander.
10643 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10644 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10645 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
10646 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10647 patterns for SSE math.
10648 (exp10<mode>2): Similarly, with exp10 expanders.
10649 (exp2<mode>2): Similarly, with exp2 expanders.
10650 (expm1<mode>2): Similarly, with expm1 expanders.
10651 (ldexp<mode>3): Similarly, with ldexp expanders.
10652 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10653 Use gen_truncxf<mode>2_i387_noop to truncate result.
10654
10655 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10656
10657 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10658 for ColdFire targets.
10659
10660 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
10661 Richard Sandiford <richard@codesourcery.com>
10662
10663 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10664 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10665 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10666 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10667 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10668 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10669
10670 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10671
10672 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10673 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
10674 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
10675 (*adddi_dilshr32_cf): New pattern.
10676 (adddi3, subdi3): Remove first alternatives.
10677
10678 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10679
10680 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10681 implemented using move.l, do not use its cc result for floating-point
10682 comparisons.
10683
10684 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10685
10686 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10687 from accepting 's' constraints if flag_pic.
10688
10689 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10690
10691 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10692 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10693 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10694 condition from TARGET_68881 to TARGET_HARD_FLOAT.
10695
10696 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
10697
10698 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10699 ColdFire alternatives.
10700 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10701 * config/m68k/m68k.md (clzsi2): Define for ColdFire
10702 architectures that support ff1 instruction.
10703
10704 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10705 Julian Brown <julian@codesourcery.com>
10706
10707 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10708 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10709 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
10710 Add commentary.
10711
10712 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10713
10714 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10715 and return a bool.
10716 (output_move_const_into_data_reg, output_move_simode_const): Delete.
10717 * config/m68k/m68k.c (const_method, const_int_cost): Take a
10718 HOST_WIDE_INT instead of an rtx.
10719 (m68k_rtx_costs): Update call accordingly.
10720 (output_move_const_into_data_reg): Likewise. Fix formatting.
10721 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10722 Return a bool.
10723 (output_move_simode_const): Update calls after above changes.
10724 Rework to use automatic variables and predicates like MEM_P.
10725 * config/m68k/m68k.md (pushexthisi_const): Update call to
10726 valid_mov3q_const.
10727
10728 2007-01-19 Dirk Mueller <dmueller@suse.de>
10729
10730 * tree-ssa-alias.c (perform_var_substitution): Fix typo
10731 in dump_flags test.
10732
10733 2007-01-19 Richard Guenther <rguenther@suse.de>
10734
10735 * builtins.c (expand_builtin_cexpi): Fall back to expanding
10736 via cexp in case sincos is not available.
10737
10738 2007-01-19 Richard Guenther <rguenther@suse.de>
10739
10740 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10741 * defaults.h (TARGET_HAS_SINCOS): Default to off.
10742 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10743 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10744 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10745 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10746 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10747 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10748
10749 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
10750
10751 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10752 New insn patterns.
10753 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10754 (atan2xf3): Directly generate RTL pattern.
10755 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10756 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
10757 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10758 disable patterns for SSE math.
10759 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10760 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
10761 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10762 disable patterns for SSE math.
10763
10764 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
10765
10766 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10767
10768 2007-01-18 Roger Sayle <roger@eyesopen.com>
10769
10770 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10771 VIEW_CONVERT_EXPR to the same type as it's operand.
10772
10773 2007-01-18 David Edelsohn <edelsohn@gnu.org>
10774
10775 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10776 configured for long double 128.
10777
10778 2007-01-18 Mike Stump <mrs@apple.com>
10779
10780 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10781 error.
10782
10783 2007-01-18 Michael Meissner <michael.meissner@amd.com>
10784
10785 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10786 type correct.
10787
10788 2007-01-18 Jan Hubicka <jh@suse.cz>
10789
10790 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10791 greater than NUM_VOP_FREE_BUCKETS.
10792
10793 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
10794
10795 * tree-ssa-structalias.c: Update comments.
10796 (ptabitmap_obstack): Removed.
10797 (pta_obstack): New.
10798 (oldpta_obstack): Ditto.
10799 (stats): Add a few members.
10800 (struct variable_info): Remove node, complex, address_taken, and
10801 indirect_target members. Add oldsolution member.
10802 (new_var_info): Do not initialize removed members.
10803 (constraint_expr_type): Remove INCLUDES.
10804 (constraint_graph): Add size, implicit_preds, rep,
10805 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10806 (FIRST_REF_NODE): New macro.
10807 (LAST_REF_NODE): Ditto.
10808 (FIRST_ADDR_NODE): Ditto.
10809 (find): New function.
10810 (unite): Ditto.
10811 (dump_constraint): Do not handle INCLUDES.
10812 (insert_into_complex): Do not insert duplicate constraints.
10813 (condense_varmap_nodes): Renamed and rewritten into ...
10814 (merge_node_constraints): This. Also fix bug in handling of
10815 offseted copy constraints.
10816 (clear_edges_for_node): No longer need to deal with preds at all,
10817 or removing associated preds/succs.
10818 (merge_graph_nodes): Deal with indirect_cycles.
10819 Don't deal with predecessors.
10820 (add_implicit_graph_edge): New function.
10821 (add_pred_graph_edge): Ditto.
10822 (add_graph_edge): Don't deal with predecessors.
10823 (build_constraint_graph): Removed.
10824 (build_pred_graph): New function.
10825 (build_succ_graph): Ditto.
10826 (struct scc_info): Removed in_component. Added roots, dfs, and
10827 node_mapping. Remove visited_index, unification_queue.
10828 (scc_visit): Deal with union-find we do now.
10829 Deal with cycles with REF nodes.
10830 (collapse_nodes): Renamed and rewritten to ...
10831 (unify_nodes): This.
10832 (process_unification_queue): Removed.
10833 (topo_visit): Cleanup
10834 (do_da_constraint): Use find.
10835 (do_sd_constraint): Ditto.
10836 (do_ds_constraint): Ditto.
10837 (do_complex_constraint): Ditto.
10838 (init_scc_info): Update for removed and added members.
10839 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10840 (find_indirect_cycles): This.
10841 (equivalence_class): New variable.
10842 (label_visit): New function.
10843 (perform_variable_substitution): Rewritten.
10844 (free_var_substitution_info): New function.
10845 (find_equivalent_node): Ditto.
10846 (move_complex_constraints): Ditto.
10847 (eliminate_indirect_cycles): Ditto.
10848 (solve_graph): Only propagate changed bits.
10849 Use indirect cycle elimination.
10850 Use find.
10851 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10852 (tree_id_eq): Renamed to ...
10853 (tree_vi_eq): This. Update for member change
10854 (insert_id_for_tree): Renamed and rewritten to ...
10855 (insert_vi_for_tree): This.
10856 (lookup_id_for_tree): Renamed and rewritten to ...
10857 (lookup_vi_for_tree): This.
10858 (get_id_for_tree): Renamed and rewritten to ...
10859 (get_vi_for_tree): Ditto.
10860 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10861 (process_constraint): Don't handle INCLUDES.
10862 Remove special ADDRESSOF case.
10863 (find_func_aliases): Rewrite to use vi functions instead of id
10864 ones.
10865 (create_function_info_for): Ditto.
10866 (create_variable_info_for): Ditto.
10867 (intra_create_variable_infos): Ditto.
10868 (merge_smts_into): Ditto.
10869 (find_what_p_points_to): Ditto.
10870 (init_base_vars): Ditto.
10871 (init_alias_vars): Ditto.
10872 (remove_preds_and_fake_succs): New function.
10873 (dump_sa_points_to_info): Dump new stats.
10874 (dump_solution_for_var): Use find.
10875 (set_used_smts): Fix formatting.
10876 (compute_points_to_sets): Updated for new functions.
10877 (ipa_pta_execute): Ditto.
10878
10879 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10880 Richard Sandiford <richard@codesourcery.com>
10881
10882 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10883 parallels.
10884 * calls.c (expand_call): If the return value is a PARALLEL,
10885 extract its first member.
10886 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10887 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10888 use FUNCTION_EXTRA_EPILOGUE.
10889 (m68k_function_value): Return a PARALLEL if the return value
10890 is of a pointer type.
10891 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10892 (FUNCTION_EXTRA_EPILOGUE): Remove.
10893 * config/m68k/m68k.md (D0_REG): New constant.
10894
10895 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10896
10897 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10898 output a NOP for empty epilogues.
10899
10900 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10901
10902 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10903 before function. Extend register save check to include all
10904 registers, not just integer ones.
10905
10906 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10907
10908 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10909 (m68k_use_return_insn): ...this.
10910 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10911 * config/m68k/m68k.c (use_return_insn): Rename to...
10912 (m68k_use_return_insn): ...this.
10913 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10914 of USE_RETURN_INSN.
10915
10916 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10917
10918 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10919 nearest even, fix denormal rounding overflow.
10920
10921 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10922
10923 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10924 f%$smove and f%$move.
10925 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10926 (extendsfdf2_cf): Use fdmove instead of f%&move.
10927 (truncdfsf2_cf): Use fsmove instead of f%$smove.
10928 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10929
10930 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10931
10932 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10933 GPR<-GPR moves.
10934
10935 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10936
10937 * real.h (real_format): Add a canonical_nan_lsbs_set field.
10938 (coldfire_single_format): Declare.
10939 (coldfire_double_format): Likewise.
10940 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10941 of qnan_msb_set to determine the lower bits of a canonical
10942 NaN significand.
10943 (encode_ieee_double): Likewise.
10944 (encode_ieee_quad): Likewise.
10945 (ieee_single_format): Initialize canonical_nan_lsbs_set.
10946 (mips_single_format): Likewise.
10947 (ieee_double_format): Likewise.
10948 (mips_double_format): Likewise.
10949 (ieee_extended_motorola_format): Likewise.
10950 (ieee_extended_intel_96_format): Likewise.
10951 (ieee_extended_intel_128_format): Likewise.
10952 (ieee_extended_intel_96_round_53_format): Likewise.
10953 (ibm_extended_format): Likewise.
10954 (mips_extended_format): Likewise.
10955 (ieee_quad_format): Likewise.
10956 (mips_quad_format): Likewise.
10957 (vax_f_format): Likewise.
10958 (vax_d_format): Likewise.
10959 (vax_g_format): Likewise.
10960 (i370_single_format): Likewise.
10961 (i370_double_format): Likewise.
10962 (decimal_single_format): Likewise.
10963 (decimal_double_format): Likewise.
10964 (decimal_quad_format): Likewise.
10965 (c4x_single_format): Likewise.
10966 (c4x_extended_format): Likewise.
10967 (real_internal_format): Likewise.
10968 (coldfire_single_format): New real_format.
10969 (coldfire_double_format): Likewise.
10970 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
10971 canonical_nan_lsbs_set.
10972 (pdp11_d_format): Likewise.
10973 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
10974 if TARGET_COLDFIRE_CPU.
10975
10976 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10977
10978 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
10979 (output_call, m68k_legitimize_call_address): Declare.
10980 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
10981 parenthesees. Add support for a 'W' constraint.
10982 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
10983 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
10984 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
10985 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
10986 variables.
10987 (override_options): Initialize them. Do not set flag_no_function_cse
10988 for TARGET_ID_SHARED_LIBRARY.
10989 (m68k_output_pic_call): Delete.
10990 (m68k_legitimize_call_address): New function.
10991 (print_operand): Remove the %o prefix. Handle the %p prefix.
10992 (output_call): New function.
10993 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
10994 target address from the GOT if symbolic jumps are not allowed.
10995 * config/m68k/m68k.md (call, general_operand): Do not set
10996 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
10997 Merge separate flag_pic and !flag_pic define_insns into...
10998 (*call, *call_value): ...these new patterns. Match the address
10999 rather than the containing MEM and require it to be a call_operand.
11000 Use output_call to generate the asm template.
11001 * config/m68k/predicates.md (const_call_operand): New predicate.
11002 (call_operand): Likewise.
11003
11004 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11005
11006 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11007 (STACK_GROWS_DOWNWARD): Define to 1.
11008 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11009 comments, emphasizing that these values are only defaults.
11010 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11011 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11012
11013 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11014
11015 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11016
11017 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11018 Richard Sandiford <richard@codesourcery.com>
11019
11020 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11021 (FP_REGNO_P): New macros.
11022 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11023 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11024 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11025 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11026
11027 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11028
11029 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11030 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11031 to $tmake_file.
11032 * config/m68k/t-floatlib: New file, extracting common code from...
11033 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11034 * config/m68k/t-uclinux: Here.
11035 * config/m68k/fpgnulib.c: Do not compile extendeed precision
11036 routines on ColdFire targets.
11037
11038 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11039
11040 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11041 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11042 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11043 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11044 explicitly set MOTOROLA to 1.
11045 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11046
11047 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11048 Nathan Sidwell <nathan@codesourcery.com>
11049
11050 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11051 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11052 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11053 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11054 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11055 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11056 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11057 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11058 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11059 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11060 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11061 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11062 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11063 (DBX_REGISTER_NUMBER): Delete.
11064 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11065 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11066 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11067
11068 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11069
11070 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11071 * config/flat.h: New file.
11072 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11073 OBJECT_FORMAT_FLAT.
11074 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11075 indirect references for -msep-data or -mid-shared-library.
11076 Do not use PC-relative code addresses either.
11077 * config/m68k/m68k.c (override_options): Restrict -fPIC error
11078 to -mpcrel.
11079 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
11080 for shared libraries and crt1.o for executables. Use crti.o and
11081 crtbegin.o.
11082 (ENDFILE_SPEC): Use crtend.o and crtn.o.
11083 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11084 Do not add -elf2flt or -shared-lib-id options here.
11085 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
11086 Pass -shared-lib-id if -mid-shared-library, taking the library
11087 identifier from -mshared-library-id if given, otherwise
11088 defaulting to 0.
11089 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11090 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11091 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11092 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11093 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11094 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11095 and crtend.o.
11096 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11097 jump sequence for ISA A and ISA A+.
11098 (PICJUMP): Likewise.
11099
11100 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11101
11102 * config.gcc (m68k-*-uclinux*): Base the port on the common
11103 and m68k GNU/Linux files rather than on the generic ELF ones.
11104 * config/m68k/uclinux.h (TARGET_VERSION): Override.
11105 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11106
11107 2007-01-18 Julian Brown <julian@codesourcery.com>
11108 Richard Sandiford <richard@codesourcery.com>
11109
11110 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11111 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11112 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11113 before redefining.
11114 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11115 80 unconditionally.
11116 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11117
11118 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11119
11120 * doc/install.texi: Document m68k-uclinuxoldabi.
11121 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11122 * config/m68k/uclinux-oldabi.h: New file, copied from
11123 config/m68k/uclinux.h.
11124
11125 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11126
11127 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11128 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11129 (m32r_compute_frame_size): Use unsigned for regno.
11130 (m32r_reload_lr): Use gen_frame_mem.
11131 (pop): New.
11132 (m32r_output_function_epilogue): Don't output the function epilogue
11133 textually here.
11134 (m32r_expand_epilogue): New.
11135 (direct_return): Return false if the function has the interrupt
11136 attribute.
11137 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11138 * config/m32r/m32r.md (epilogue): New expander.
11139 (return_lr, return_rte): New insns.
11140 (return): Make it expander.
11141 (return_normal): New expander.
11142
11143 2007-01-18 Josh Conner <jconner@apple.com>
11144
11145 PR target/30485
11146 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11147 support for UNLE, UNLT, UNGE, and UNGT.
11148
11149 2007-01-18 Jan Hubicka <jh@suse.cz>
11150
11151 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11152 * tree-tailcall (add_virtual_phis): Likewise.
11153 (optimize_tail_call): Return TODOs.
11154 (execute_tail_calls): Return TODOs.
11155 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11156 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11157 changed.
11158 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11159 Cleanup cfg using TODO.
11160 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11161 * passes.c (execute_function_todo): When cleanup did something, remove
11162 unused locals.
11163 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11164 (make_edges): Don't cleanup_cfg.
11165
11166 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
11167
11168 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11169 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11170 operate on the top of stack.
11171 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11172 register handling of instructions that output to the second
11173 stack slot.
11174 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11175 (move_for_stack_reg): Special-case check for dead destination
11176 stack slot for constant load of 1.0 inside UNSPEC_TAN.
11177
11178 * config/i386/i386.md (UNSPEC_TAN): New constant.
11179 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11180 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11181 to correctly model move of constant 1.0 to top stack slot.
11182 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11183 (unnamed peephole2 pattern): Remove corresponding peephole2
11184 pattern that optimizes tan insn and loading of constant 1.0.
11185 (tanxf2): Use fptanxf4_i387.
11186 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11187 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
11188 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
11189 disable patterns for SSE math.
11190 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11191 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11192
11193 2007-01-18 Dirk Mueller <dmueller@suse.de>
11194 Richard Guenther <rguenther@suse.de>
11195
11196 PR diagnostic/8268
11197 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11198 * common.opt (Warray-bounds): Add new warning option.
11199 * c-opts.c (c_common_handle_option): Define -Warray-bounds
11200 if -Wall is given.
11201 * Makefile.in: make tree-vrp.o depend on toplev.h
11202 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11203 is enabled.
11204 (check_array_refs, check_array_bounds, check_array_ref): New.
11205
11206 2007-01-18 Jan Hubicka <jh@suse.cz>
11207
11208 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11209 (execute_ssa_ccp): Return flags conditionally.
11210 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11211 changed.
11212 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11213
11214 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
11215
11216 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11217 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11218
11219 * Makefile.c (GTFILES): Add cfglayout.h.
11220 * gengtype.c (open_base_files): Likewise.
11221 * cfglayout.c (cfg_layout_function_footer,
11222 cfg_layout_function_header) Reindent to make gengtype happy.
11223 * cfglayout.h (cfg_layout_function_footer,
11224 cfg_layout_function_header): Add GTY(()) marker.
11225
11226 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11227
11228 2007-01-18 Ben Elliston <bje@au.ibm.com>
11229
11230 * genautomata.c (write_automata): Include xstrerror output in the
11231 error message if writing the DFA description file fails.
11232
11233 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
11234
11235 * config/mips/mips-protos.h (mips_output_external): Make it
11236 return void.
11237 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11238 * config/mips/mips.c (irix_output_external_libcall): Likewise.
11239 (extern_list): Likewise.
11240 (extern_head): Likewise.
11241 (TARGET_ASM_FILE_END): Likewise.
11242 (mips_file_end): Likewise.
11243 (mips_output_external): Rewritten.
11244
11245 2007-01-18 Ben Elliston <bje@au.ibm.com>
11246
11247 * genpreds.c (write_insn_preds_c): Only write out the function
11248 body for regclass_for_constraint if we have register constraints.
11249
11250 2007-01-17 Tom Tromey <tromey@redhat.com>
11251
11252 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11253 * doc/install.texi (Testing): Use sourceware.org.
11254 (Binaries): Likewise.
11255 (Specific): Likewise.
11256 * doc/contrib.texi (Contributors): Use sourceware.org.
11257
11258 2007-01-17 Anatoly Sokolov <aesok@post.ru>
11259
11260 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11261 (AVR_ENHANCED): Rename to ...
11262 (AVR_HAVE_MUL): ... new.
11263 (avr_enhanced_p): Rename to ...
11264 (avr_have_mul_p): ... new.
11265 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11266 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11267 * config/avr/avr.c (avr_enhanced_p): Rename to ...
11268 (avr_have_mul_p): ... new.
11269 (base_arch_s): Rename 'enhanced' to 'have_mul'.
11270 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11271 'avr_enhanced_p' and 'enhanced'.
11272 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11273 AVR_HAVE_MUL instead of AVR_ENHANCED.
11274 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11275 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11276 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11277 instead of AVR_ENHANCED.
11278 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11279 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11280 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11281
11282 2007-01-17 Ian Lance Taylor <iant@google.com>
11283
11284 * vec.h (VEC_reserve_exact): Define.
11285 (vec_gc_p_reserve_exact): Declare.
11286 (vec_gc_o_reserve_exact): Declare.
11287 (vec_heap_p_reserve_exact): Declare.
11288 (vec_heap_o_reserve_exact): Declare.
11289 (VEC_OP (T,A,reserve_exact)): New static inline function, three
11290 versions.
11291 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11292 negative parameter.
11293 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11294 (VEC_OP (T,A,copy)) [all versions]: Likewise.
11295 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11296 * vec.c (calculate_allocation): Add exact parameter. Change all
11297 callers.
11298 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11299 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11300 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11301 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11302 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11303 (vec_heap_p_reserve_exact): New function.
11304 (vec_heap_o_reserve_exact): New function.
11305
11306 2007-01-17 Jan Hubicka <jh@suse.cz>
11307
11308 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11309
11310 2007-01-17 Eric Christopher <echristo@apple.com>
11311
11312 * config.gcc: Support core2 processor.
11313
11314 2007-01-16 Jan Hubicka <jh@suse.cz>
11315
11316 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11317 the names, just unlink the chain so we don't crash on dangling pointers
11318 to dead SSA names.
11319
11320 2007-01-16 Jan Hubicka <jh@suse.cz>
11321
11322 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11323 * tree-pass.h: Reorder to make IPA passes appear toegher.
11324 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11325 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11326 parameters, do not call early inliner.
11327 * ipa-inline.c: Update comments. Include tree-flow.h
11328 (cgraph_decide_inlining): Do not compute inlining parameters.
11329 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11330 be called with function context set up.
11331 (pass_ipa_inline): Remove unreachable functions before pass.
11332 (cgraph_early_inlining): Simplify assuming to be called from the
11333 PM as local pass.
11334 (pass_early_inline): New pass.
11335 (cgraph_gate_ipa_early_inlining): New gate.
11336 (pass_ipa_early_inline): Turn into simple wrapper.
11337 (compute_inline_parameters): New function.
11338 (gate_inline_passes): New gate.
11339 (pass_inline_parameters): New pass.
11340 (apply_inline): Move here from tree-optimize.c
11341 (pass_apply_inline): New pass.
11342 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11343 transforming.
11344 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11345 doing them by hand.
11346 (tree_function_versioning): Do not allocate dummy struct function.
11347 * tree-inline.h (optimize_inline_calls): Update prototype.
11348 * tree-optimize.c (execute_fixup_cfg): Export.
11349 (pass_fixup_cfg): Remove
11350 (tree_rest_of_compilation): Do not apply inlines.
11351 * tree-flow.h (execute_fixup_cfg): Declare.
11352 * Makefile.in (gt-passes.c): New.
11353 * passes.c: Include gt-passes.h
11354 (init_optimization_passes): New passes.
11355 (nnodes, order): New static vars.
11356 (do_per_function_toporder): New function.
11357 (execute_one_pass): Dump current pass here.
11358 (execute_ipa_pass_list): Don't dump current pass here.
11359
11360 2007-01-16 Janis Johnson <janis187@us.ibm.com>
11361
11362 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11363 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11364
11365 2007-01-16 David Edelsohn <edelsohn@gnu.org>
11366
11367 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11368 (strong_alias): Define.
11369 (__gcc_qmul): Provide non-FMA for soft-float.
11370 (__gcc_qdiv): Same.
11371 (__gcc_qneg): New.
11372 (__gcc_qeq): New.
11373 (__gcc_qle): New.
11374 (__gcc_qge): New.
11375 (__gcc_qunord): New.
11376 (__gcc_stoq): New.
11377 (__gcc_dtoq): New.
11378 (__gcc_qtos): New.
11379 (__gcc_qtod): New.
11380 (__gcc_qtoi): New.
11381 (__gcc_qtou): New.
11382 (__gcc_itoq): New.
11383 (__gcc_utoq): New.
11384 (fmsub): New.
11385 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11386 soft-float functions.
11387 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11388 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11389 about long double soft float.
11390
11391 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
11392 Tehila Meyzels <tehila@il.ibm.com>
11393
11394 * tree-vectorizer.h (is_pattern_stmt_p): New.
11395 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11396 formatting (tabs instead of spaces). Cleanup and clarify setting
11397 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11398 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11399 (vectorizable_type_demotion): Check that types are integral.
11400 (vectorizable_type_promotion): Likewise.
11401 (vectorizable_store): Fix typo. Eliminate new-line at end of
11402 comments.
11403
11404 2007-01-16 Jan Hubicka <jh@suse.cz>
11405
11406 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11407 cgraph edges too.
11408
11409 2007-01-15 Eric Christopher <echristo@apple.com>
11410
11411 * ifcvt.c: Include vec.h, vecprim.h.
11412 (check_cond_move_block): New argument regs.
11413 Reorganize. Add registers used to regs.
11414 (cond_move_process_if_block): Use regs set above as
11415 loop bounds.
11416
11417 2007-01-15 Eric Christopher <echristo@apple.com>
11418
11419 * config/darwin.h: Update copyright.
11420 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11421 (LINK_COMMAND_SPEC): Add -u.
11422 (LINK_SPEC): Fix umbrella for above.
11423
11424 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
11425
11426 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11427 glibc CVS.
11428
11429 2007-01-15 Tom Tromey <tromey@redhat.com>
11430
11431 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11432 * doc/install.texi (Testing): Don't mention jacks.
11433 (Configuration): Document --enable-java-maintainer-mode. Move
11434 --with-java-home to libgcj-specific section. Document
11435 --with-ecj-jar.
11436 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11437
11438 2007-01-15 Jan Hubicka <jh@suse.cz>
11439
11440 * tree-ssa-dce.c (DCE_TODOs): New.
11441 (propagate_necessity): Return if something changed.
11442 (eliminate_unnecessary_stmts): Likewise.
11443 (perform_tree_ssa_dce): Return TODO flags when needed.
11444 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11445
11446 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
11447
11448 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11449 (fyl2x_extend<mode>xf3_i387): New insn pattern.
11450 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11451 patterns using X87MODEF12 mode macro. Extend operand 1
11452 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11453 (log10<mode>2): Ditto.
11454 (log2<mode>2): Ditto.
11455 (log1p<mode>2): Ditto.
11456 (logb<mode>2): Ditto.
11457 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11458 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11459 (*fxtractxf3_i387): Rename from *fxtractxf3.
11460 (fxtract_extend<mode>xf3_i387): New insn pattern.
11461 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11462 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11463 and gen_fyl2xxf3_i387().
11464
11465 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11466
11467 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11468 * cfgloopmanip.c (fix_loop_placement): Made static. Use
11469 get_loop_exit_edges. Changed return type to bool.
11470 * cfgloop.h (fix_loop_placement): Declaration removed.
11471
11472 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
11473
11474 * param.h (MIN_VECT_LOOP_BOUND): New.
11475 * params.def (MIN_VECT_LOOP_BOUND): New.
11476 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11477 argument - minimum threshold for number of iterations.
11478 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11479 argument to declaration.
11480 * tree-vect-analyze.c (vect_analyze_operations): Check value of
11481 MIN_VECT_LOOP_BOUND.
11482 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11483 slpeel_tree_peel_loop_to_edge with additional argument.
11484 (vect_do_peeling_for_alignment): Likewise.
11485 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11486
11487 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
11488
11489 PR target/30413
11490 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11491 operands of size 1.
11492
11493 2007-01-14 Jan Hubicka <jh@suse.cz>
11494
11495 * tree-dfa.c (remove_referenced_var): New function.
11496 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11497 prune referenced vars list too.
11498 * tree-flow.h (remove_referenced_var): Declare.
11499
11500 2007-01-14 Jan Hubicka <jh@suse.cz>
11501
11502 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11503 separately.
11504 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11505 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11506 * except.h (verify_eh_throw_table_statements): Kill prototype.
11507 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11508 into call exrepssions.
11509 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11510 eh trhow verifier.
11511 * tree-cfg.c: Include pointer-set.h.
11512 (verify_node_sharing): Work on pointer set.
11513 (verify_eh_throw_stmt_node): New.
11514 (verify_stmts): Use pointers sets, verify throw_stmt.
11515
11516 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
11517
11518 * ipa-reference.c (analyze_function): Consider also addresses taken
11519 in phi nodes.
11520
11521 2007-01-12 Roger Sayle <roger@eyesopen.com>
11522
11523 * c-typeck.c (null_pointer_constant_p): Replace use of
11524 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11525 (build_c_cast): Likewise.
11526
11527 2007-01-12 Roger Sayle <roger@eyesopen.com>
11528
11529 * tree.h (force_fit_type_double): Remove unused final argument.
11530 * c-common.c (constant_expression_warning): Replace use of
11531 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11532 (convert_and_check): Likewise.
11533 (shorten_compare): Update call to force_fit_type_double.
11534 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11535 * convert.c (convert_to_pointer): Update call to
11536 force_fit_type_double.
11537 * fold-const.c (force_fit_type_double): Remove overflowed_const
11538 argument.
11539 (int_const_binop, fold_convert_const_int_from_int,
11540 fold_convert_const_int_from_real, fold_div_compare,
11541 fold_sign_changed_comparison, fold_unary, fold_negate_const,
11542 fold_abs_const, fold_not_const): Remove the final argument from
11543 calls to force_fit_type_double.
11544
11545 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
11546
11547 * configure.ac: Set insn to "nop" for spu-*-* also.
11548 * configure: Regenerate.
11549
11550 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
11551
11552 * builtins.def : Add BUILT_IN_FREE.
11553
11554 2007-01-12 Jan Hubicka <jh@suse.cz>
11555
11556 PR tree-optimization/30443
11557 * tree-inline.c (tree_function_versioning): Do not optimize when
11558 cloning for inlining.
11559
11560 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
11561
11562 * doc/loop.texi: Document recording of loop exits.
11563 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11564 (update_single_exits_after_duplication,
11565 update_single_exit_for_duplicated_loop,
11566 update_single_exit_for_duplicated_loops): Removed.
11567 (duplicate_loop_to_header_edge): Do not call
11568 update_single_exits_after_duplication and
11569 update_single_exit_for_duplicated_loops.
11570 (loop_version): Do not update single_exit information.
11571 (fix_loop_structure): Use record_loop_exits instead of
11572 mark_single_exit_loops.
11573 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11574 the lists of loop exits.
11575 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11576 split_edge, merge_blocks): Update the lists of loop exits.
11577 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11578 loop_optimizer_init.
11579 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11580 of mark_single_exit_loops.
11581 (loop_optimizer_finalize): Call release_recorded_exits.
11582 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11583 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11584 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11585 update single exit information.
11586 * lambda-code.c (perfect_nestify): Ditto.
11587 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11588 (mark_single_exit_loops): Removed.
11589 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11590 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11591 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11592 functions.
11593 (get_loop_exit_edges, single_exit): Use recorded exit lists.
11594 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11595 (verify_loop_structure): Verify consistency of the exit lists.
11596 (flow_loops_find): Use alloc_loop. Initialize exits hash.
11597 (set_single_exit): Removed.
11598 * cfgloop.h (struct loop_exit): New function.
11599 (struct loop): single_exit_ field replaced by exits field.
11600 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11601 (struct loops): Added exits hash.
11602 (mark_single_exit_loops, set_single_exit): Declaration removed.
11603 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11604
11605 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11606
11607 * doc/invoke.texi: Avoid use of @headitem.
11608
11609 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11610
11611 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11612
11613 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11614
11615 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11616 list of targets.
11617
11618 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11619 Richard Sandiford <richard@codesourcery.com>
11620
11621 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11622 * config/m68k/m68k.opt: Resort options.
11623 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11624
11625 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11626 Richard Sandiford <richard@codesourcery.com>
11627
11628 * doc/invoke.texi: Document the macros that are defined by
11629 m68k's -mtune and -mhard-float options.
11630 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11631 (m68k_cpp_cpu_family): Likewise.
11632 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11633 of __ucfv*__ macros. Define __mcffpu__ if generating code for
11634 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
11635 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11636 (m68k_cpp_cpu_family): Likewise.
11637
11638 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11639
11640 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11641 macros besides mc68000 as tuning macros. Use a switch statement
11642 to set them and mcpu32.
11643
11644 2007-01-12 Julian Brown <julian@codesourcery.com>
11645
11646 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11647 (TARGET_68040_ONLY): Rename to...
11648 (TARGET_68040): ...this.
11649 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11650 * config/m68k/m68k.md: Likewise.
11651
11652 2007-01-12 Julian Brown <julian@codesourcery.com>
11653 Nathan Sidwell <nathan@codesourcery.com>
11654 Richard Sandiford <richard@codesourcery.com>
11655
11656 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11657 the -mcpu= argument associated with the --with-cpu setting.
11658 Define M68K_DEFAULT_TUNE to the default -mtune= option,
11659 if different from the one implied by the -mcpu setting.
11660 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11661 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
11662 * doc/invoke.texi: Mention ColdFire in the introduction to the
11663 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
11664 -mno-div and -mhard-float options. Make -m68881 a synonym for
11665 -mhard-float. Document the previously-undocumented -m5206e,
11666 -m528x, -m5307 and -m5407 options. Tweak the existing option
11667 documentation for consistency.
11668 * doc/install.texi: Mention new --with-cpu arguments.
11669 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11670 default CPU if neither -mcpu nor -march are specified.
11671 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11672 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11673 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
11674 using m68k_tune to decide between families that implement the
11675 same ISA. Use m68k_tune to set __mcfv4e__.
11676 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11677 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11678 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11679 (FL_ISA_C, FL_ISA_MMU): New macros.
11680 (MASK_COLDFIRE): Delete.
11681 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11682 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11683 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11684 (TARGET_HARD_FLOAT): Do not define here.
11685 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11686 (TUNE_68000): New macro.
11687 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11688 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11689 (TUNE_CFV2): Redefine in terms of m68k_tune.
11690 (uarch_type, target_device, fpu_type): New enums.
11691 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11692 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11693 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11694 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11695 (FL_FOR_isa_c): New macros.
11696 (m68k_isa): New enum.
11697 (m68k_target_selection): New structure.
11698 (all_devices, all_isas, all_microarchs): New tables.
11699 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11700 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11701 (MASK_ALL_CPU_BITS): Delete.
11702 (m68k_find_selection): New function.
11703 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11704 Map the legacy target options to a combination of the new ones.
11705 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11706 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
11707 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11708 settings.
11709 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11710 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11711 properties.
11712 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11713 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11714 * config/m68k/m68k-devices.def: New file.
11715
11716 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11717 Nathan Sidwell <nathan@codesourcery.com>
11718
11719 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11720 (SUBTARGET_EXTRA_SPECS): New macros.
11721 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11722 use %(asm_cpu_spec) instead.
11723 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11724 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11725 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11726 (EXTRA_SPECS): Rename to...
11727 (SUBTARGET_EXTRA_SPECS): ...this.
11728
11729 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11730 Richard Sandiford <richard@codesourcery.com>
11731 Julian Brown <julian@codesourcery.com>
11732
11733 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11734 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11735 to the configuration's default CPU.
11736 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11737 Remove default masks.
11738 (m680[012]0-*-*): Set the default with_cpu to the first part of
11739 the target name.
11740 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11741 (m68k*-*-linux): Extend the --with-cpu handling to...
11742 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
11743 and m68010. Don't set target_cpu_default2.
11744 * doc/install.texi: Document --with-cpu for m68k.
11745 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11746 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11747 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11748 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11749 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11750 (ASM_SPEC): Remove use of %(asm_cpu_default).
11751 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11752 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11753 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
11754 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11755 __HAVE_FPU__ if TARGET_HARD_FLOAT.
11756 (TARGET_DEFAULT): Delete.
11757 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11758 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11759 (CPP_CPU_SPEC): Delete.
11760 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11761 the appropriate string.
11762 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11763 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11764 (ASM_SPEC): Don't use %(asm_default_spec).
11765 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11766 TARGET_DEFAULT and add MASK_68881.
11767 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11768
11769 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11770
11771 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11772 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11773 MASK_68010 alongside MASK_68020.
11774 * doc/invoke.texi: Document -m68010.
11775 * config/m68k/m68k.opt (m68010): New.
11776 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11777 if TUNE_68010.
11778 (TUNE_68010): New macro.
11779 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11780 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11781 (M68K_CPU_m68332): Add MASK_68010.
11782 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11783 fallback definition.
11784 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11785 defines.
11786 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11787 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
11788 to all entries that use MASK_68020.
11789 (output_move_simode_const, output_move_himode, output_move_qimode)
11790 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11791 instead of TARGET_68020 to select clr behavior. Remove comment
11792 about there being no TARGET_68010.
11793 * config/m68k/m68k.md: Likewise throughout.
11794
11795 2007-01-12 Julian Brown <julian@codesourcery.com>
11796
11797 * config/m68k/m68k.h (TARGET_ISAB): New macro.
11798 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11799 * config/m68k/m68k.md: Likewise.
11800
11801 2007-01-12 Julian Brown <julian@codesourcery.com>
11802
11803 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11804 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11805
11806 2007-01-12 Julian Brown <julian@codesourcery.com>
11807
11808 * config/m68k/m68k.h (TUNE_68040_60): New macro.
11809 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11810 * config/m68k/m68k.md: Likewise.
11811
11812 2007-01-12 Julian Brown <julian@codesourcery.com>
11813 Richard Sandiford <richard@codesourcery.com>
11814
11815 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11816 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11817 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11818 TARGET_CPU32.
11819 (TARGET_CPU32): Rename to...
11820 (TUNE_CPU32): ...this.
11821 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11822 (TUNE_CFV2): New macros.
11823 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11824 remove conditions that are implied by TARGET_68020.
11825 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11826 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11827 (m68k_output_function_epilogue): Likewise.
11828 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
11829 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
11830 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11831 non-68000 timings. Refactor multiplication and division costs.
11832 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11833 TUNE_CPU32 instead of TARGET_CPU32.
11834 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11835 and TUNE_68060 instead of TARGET_68060.
11836 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11837 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11838 TARGET_CPU32.
11839 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11840 && !TARGET_COLDFIRE" to choose between moveq and clr.
11841 Likewise in the unnamed movsf pattern.
11842 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11843 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
11844 ashiftrt pattern.
11845
11846 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11847
11848 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11849 of tabbing before backslashes.
11850
11851 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11852
11853 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11854 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11855 (ASM_OUTPUT_INTERNAL_LABEL): Define.
11856
11857 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11858
11859 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11860 find_interesting_uses_cond.
11861 (find_interesting_uses_cond): Use extract_cond_operands.
11862 (rewrite_use_compare): Use extract_cond_operands and
11863 force_gimple_operand_bsi. Do not call update_stmt.
11864 (determine_use_iv_cost_condition): Use extract_cond_operands.
11865 Return cheaper of using original bound and changing the exit bound.
11866
11867 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11868
11869 PR tree-optimization/29516
11870 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11871 most_expensive_mult_to_index, addr_to_parts,
11872 create_mem_ref, maybe_fold_tmr): Make the type of
11873 fields of TARGET_MEM_REF sizetype.
11874 (move_fixed_address_to_symbol, move_pointer_to_base):
11875 New functions.
11876 * tree.def (TARGET_MEM_REF): Add comment on types of
11877 the operands.
11878
11879 2007-01-11 Joseph Myers <joseph@codesourcery.com>
11880
11881 * c-common.c (vector_types_convertible_p): Treat opaque types as
11882 always convertible if they have the same size, but not otherwise.
11883
11884 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
11885
11886 * ifcvt.c (struct noce_if_info): Add comments to the fields.
11887 Remove the b_unconditional field.
11888 (noce_try_sign_mask): Do not look at b_unconditional.
11889 (noce_process_if_block): Do not use merge_if_blocks. Update
11890 the CFG here. Do not set b_unconditional.
11891 (cond_move_process_if_block): Likewise.
11892 (find_cond_trap): Likewise.
11893 (check_cond_move_block): Require simple jump insns at the end
11894 of the basic block.
11895
11896 2007-01-11 Jan Hubicka <jh@suse.cz>
11897
11898 PR tree-optimization/1046
11899 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11900 when alias info is not ready.
11901 (pass_tail_recursion): Do not require aliasing.
11902 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11903 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11904 * tree-ssa-copy.c (pass_copy_prop): Likewise.
11905 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11906 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11907 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11908 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11909 before inlining.
11910 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11911 When aliasing is not build, mark statement as volatile.
11912
11913 2007-01-11 Tom Tromey <tromey@redhat.com>
11914
11915 PR preprocessor/15185, PR preprocessor/20989:
11916 * doc/cppopts.texi <-MT>: Update description of algorithm for
11917 computing default target.
11918 <-M, -MD>: Reword "basename" text.
11919
11920 2007-01-11 Roger Sayle <roger@eyesopen.com>
11921
11922 * builtins.c (expand_builtin_pow, expand_builtin_powi,
11923 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11924 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11925 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11926 fold_builtin_bswap, real_constp, fold_builtin_pow,
11927 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11928 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11929 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11930 * convert.c (convert_to_pointer): Likewise.
11931 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11932 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11933 const_binop, fold_convert_const_int_from_int,
11934 fold_convert_const_int_from_real,
11935 fold_convert_const_real_from_real, sign_bit_p,
11936 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11937 fold_sign_changed_comparison, fold_unary, fold_comparison,
11938 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11939 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11940 * print-tree.c (print_node_brief, print_node): Likewise.
11941 * stor-layout.c (place_field, layout_type): Likewise.
11942 * tree-chrec.c (keep_cast): Likewise.
11943 * tree.c (build_vector, build_real, build_real_from_int_cst,
11944 build_complex): Likewise.
11945
11946 2007-01-11 Roger Sayle <roger@eyesopen.com>
11947
11948 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
11949 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
11950
11951 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
11952
11953 * configure.ac (strict1_warn): Rename to strict_warn.
11954 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
11955 cc_set_by_configure, quoted_cc_set_by_configure,
11956 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
11957 all_boot_languages, all_stagestuff): Remove.
11958 (target_list): Remove bootstrap targets.
11959 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
11960 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
11961 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
11962 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
11963 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
11964 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
11965 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
11966 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
11967 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
11968 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
11969 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
11970 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
11971 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
11972 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
11973 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
11974 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
11975 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
11976 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
11977 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
11978 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
11979 (mostlyclean): Adjust.
11980 (clean, distclean): Don't mention bootstrap stuff.
11981 * configure: Regenerate.
11982 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
11983 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
11984 treelang/config-lang.in (stagestuff): Remove.
11985 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
11986 stageprofile, stagefeedback, stagestuff): Remove mention.
11987
11988 2007-01-11 Nick Clifton <nickc@redhat.com>
11989
11990 * config/mcore/predicates.md (mcore_general_movesrc_operand):
11991 Accept CONSTs.
11992 (mcore_general_movdst_operand): Do not accept CONST_INTs.
11993 (mcore_arith_K_S_operand): Run the test for the S constraint not
11994 the test for the M constraint.
11995 (mcore_addsub_operand): Do not accept integer values that are
11996 larger than 32 bits.
11997 * config/mcore/mcore.md: Remove unused constraints from split.
11998 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
11999 (addsi3): Likewise.
12000 (allocate_stack): Likewise.
12001 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12002 operands to 32 bits.
12003 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12004 INTVAL.
12005 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12006 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12007 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12008 mcore_output_bclri, mcore_output_andn, output_inline_const,
12009 mcore_output_move, mcore_output_movedouble): Likewise.
12010 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12011 (output_inline_const): Likewise.
12012 (output_inline_const): Fix format strings used in sprintf
12013 statements.
12014 * config/mcore/mcore-protos.h: Update prototypes for changed
12015 functions in mcore.c.
12016 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12017 HOST_WIDE_INT and not int.
12018 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12019 CONST_OK_FOR_N): Likewise.
12020 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12021 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12022 an INTVAL.
12023
12024 2007-01-10 Jan Hubicka <jh@suse.cz>
12025
12026 * tree-vrp.c (remove_range_assertions): Release defs.
12027 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12028 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12029
12030 2007-01-10 Paul Brook <paul@codesourcery.com>
12031
12032 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12033 * config/arm/arm.md (mulsi3subsi): New insn.
12034
12035 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
12036
12037 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12038 (tree_transform_and_unroll_loop): New.
12039 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12040 Declare.
12041
12042 2007-01-10 Robert Kennedy <jimbob@google.com>
12043
12044 * fold-const.c (fold_comparison): Fold comparisons like (x *
12045 1000 < 0) to (x < 0).
12046
12047 2007-01-10 Ian Lance Taylor <iant@google.com>
12048
12049 * tree-pretty-print.c (dump_generic_node): Print parentheses when
12050 operands have the same priority.
12051
12052 2007-01-10 Tom Tromey <tromey@redhat.com>
12053
12054 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12055 (fold_binary): Likewise.
12056 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12057 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12058 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12059 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12060 * langhooks.h (struct lang_hooks): Removed field
12061 'can_use_bit_fields_p'.
12062
12063 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
12064
12065 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12066
12067 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
12068
12069 * function.c (get_last_funcdef_no): New function.
12070 * function.h (get_last_funcdef_no): Declare.
12071 * tree-inline.c (initialize_cfun): Add initialization.
12072 (tree_function_versioning): Cleanup.
12073
12074 2007-01-10 Jan Hubicka <jh@suse.cz>
12075
12076 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12077 PHIs.
12078
12079 2007-01-10 Sa Liu <saliu@de.ibm.com>
12080 Ben Elliston <bje@au.ibm.com>
12081
12082 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12083 for SAVE_NONLOCAL and Pmode for any other save level.
12084 * spu-protos.h (spu_restore_stack_block): Declare.
12085 * spu.md (save_stack_block): Remove.
12086 (restore_stack_block): Call spu_restore_stack_block.
12087 * spu.c (spu_restore_stack_block): New function.
12088 (spu_expand_epilogue): Remove old comment.
12089
12090 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
12091
12092 PR tree-optimization/30322
12093 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12094 (cand_value_at): Return the value as aff_tree.
12095 (may_eliminate_iv): Convert the bound from aff_tree to tree.
12096 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12097 aff_combination_mult): New functions.
12098 (aff_combination_add): Use aff_combination_add_cst.
12099 (aff_combination_convert): Allow conversions to a wider type.
12100 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12101 * tree-affine.h (aff_combination_mult): Declare.
12102
12103 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
12104
12105 * doc/tm.texi: Update documentation to reflect reality of exec
12106 and start file search behaviours. Update copyright year.
12107 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12108 header file directories.
12109
12110 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
12111
12112 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12113 (*cosxf2): Rename to cosxf2_i387.
12114 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
12115 using X87MODEF12 mode macro. Rename patterns to
12116 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
12117 for SSE math.
12118 (*cosdf2, *cossf2): Ditto.
12119 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
12120 to match extended input operands.
12121 (sincos<mode>3): New expander.
12122 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12123 insn patterns and corresponding splitters.
12124
12125 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
12126
12127 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12128 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12129
12130 2007-01-09 Nicolas Pitre <nico@cam.org>
12131
12132 PR target/30173
12133 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12134
12135 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12136
12137 * target.h (struct gcc_target): New field library_rtti_comdat.
12138 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12139 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12140 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12141 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12142
12143 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12144
12145 * doc/invoke.texi (Optimize Options): Correct description of -O0.
12146
12147 2007-01-08 Richard Guenther <rguenther@suse.de>
12148
12149 * tree.h (force_fit_type_double): Export.
12150 (force_fit_type): Remove.
12151 * fold-const.c (force_fit_type_double): New function.
12152 (force_fit_type): Remove.
12153 (int_const_binop): Use it.
12154 (fold_convert_const_int_from_int): Likewise.
12155 (fold_convert_const_int_from_real): Likewise.
12156 (fold_div_compare): Likewise.
12157 (fold_sign_changed_comparison): Likewise.
12158 (fold_unary): Likewise.
12159 (fold_negate_const): Likewise.
12160 (fold_abs_const): Likewise.
12161 (fold_not_const): Likewise.
12162 * c-common.c (shorten_compare): Use force_fit_type_double.
12163 * convert.c (convert_to_pointer): Likewise.
12164
12165 2007-01-08 Richard Guenther <rguenther@suse.de>
12166
12167 * tree.h (build_int_cst_wide_type): Export.
12168 * tree.c (build_int_cst_wide_type): New function.
12169 (build_int_cst_wide): Fix comment.
12170 * builtins.c (fold_builtin_object_size): Use build_int_cst
12171 to build -1 or 0 of the correct type. Use fit_double_type
12172 to check for overflow.
12173 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12174 to build the mask.
12175 (decode_field_reference): Likewise.
12176 (all_ones_mask_p): Likewise.
12177 (native_interpret_int): Use build_int_cst_wide_type.
12178 (fold_binary): Use build_int_cst_type to build an all-ones
12179 value.
12180 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12181
12182 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
12183
12184 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12185
12186 2007-01-09 Ben Elliston <bje@au.ibm.com>
12187
12188 * genautomata.c (STATS_OPTION): New option.
12189 (stats_flag): New flag.
12190 (gen_automata_option): Handle it.
12191 (initiate_automaton_gen): Ditto.
12192 (write_automata): Output statistics only if stats_flag is
12193 set. Likewise, output time statistics only if time_flag is set.
12194 * doc/md.texi (Processor pipeline description): Document new flag.
12195
12196 2007-01-08 Richard Guenther <rguenther@suse.de>
12197
12198 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12199 * tree.c (build_int_cst_type): Likewise.
12200 (size_in_bytes): Don't call force_fit_type on the result.
12201 (int_fits_type_p): Use fit_double_type.
12202 * fold-const.c (fit_double_type): New function.
12203 (force_fit_type): Use it.
12204 * tree.h (fit_double_type): Export.
12205
12206 2007-01-08 Jan Hubicka <jh@suse.cz>
12207
12208 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12209 * ipa.c (function_and_variable_visibility): Fix return type.
12210
12211 2007-01-08 Richard Guenther <rguenther@suse.de>
12212
12213 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12214 of offset to build the index.
12215 * tree-pretty-print.c (dump_generic_node): Don't build negated
12216 const just for printing.
12217 * c-pretty-print.c (pp_c_integer_constant): Likewise.
12218 * builtins.c (fold_builtin_int_roundingfn): Check if result
12219 fits the type by using force_fit_type and comparing the result.
12220 * predict.c (predict_loops): Use compare_tree_int for comparison.
12221 * tree.c (build_int_cst): Fall back to integer_type_node for
12222 NULL_TREE type.
12223 (build_int_cst_wide): Assert type is non-null.
12224
12225 2007-01-08 Roberto Costa <roberto.costa@st.com>
12226
12227 * tree-vrp.c (extract_range_from_cond_expr): New.
12228 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12229 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12230 as expressions.
12231 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12232 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12233 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12234 used as expressions.
12235 * tree-object-size.c (cond_expr_object_size): New.
12236 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12237
12238 2007-01-08 Jan Hubicka <jh@suse.cz>
12239
12240 * tree-ssa-forwprop.c (forward_propagate_into_cond,
12241 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12242 statement.
12243
12244 2007-01-08 Richard Guenther <rguenther@suse.de>
12245
12246 PR tree-optimization/23603
12247 * tree-vrp.c (set_value_range_to_truthvalue): New function.
12248 (extract_range_from_binary): Fall back to truthvalue instead of
12249 varying for TRUTH_*_EXPR.
12250 (extract_range_from_comparison): Fall back to truthvalue instead of
12251 varying.
12252 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12253 if all visited PHI values were constant.
12254
12255 2007-01-08 Jan Hubicka <jh@suse.cz>
12256
12257 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12258 (cgraph_analyze_function): break out from ...
12259 (cgraph_finalize_compilation_unit): ... here.
12260 (cgraph_expand_function): Remove forgoten commented out line.
12261 (cgraph_optimize): Analyze functions.
12262
12263 2007-01-08 Jan Hubicka <jh@suse.cz>
12264
12265 * tree-pas.h (TODO_remove_function): New flag.
12266 (TODO_update*): Renumber.
12267 (pass_ipa_increase_alignment,
12268 pass_ipa_function_and_variable_visibility): New passes.
12269 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12270 (cgraph_function_and_variable_visibility): Move to ipa.c
12271 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12272 cgraph_increase_alignment.
12273 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12274 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12275 calling tree-inline.
12276 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12277 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12278 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12279 (gate_increase_alignment): New function.
12280 (pass_ipa_increase_alignment): New pass.
12281 * ipa.c: Inline tree-pass.h and timevar.h
12282 (function_and_variable_visibility): Move here from cgraphunit.c
12283 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12284 * passes.c (init_optimization_passes): Add the two new passes.
12285 (execute_todo): Handle cgraph_remove_functions.
12286
12287 2007-01-08 Nick Clifton <nickc@redhat.com>
12288
12289 * config/frv/predicates.md (reg_or_0_operand): Accept
12290 CONST_DOUBLEs.
12291
12292 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
12293
12294 * config/bfin/rtems.h, config/bfin/t-rtems: New.
12295 * config.gcc: Add bfin*-rtems*.
12296
12297 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12298
12299 * c.opt: Add -flax-vector-conversions.
12300 * c-typeck.c (convert_for_assignment): Pass flag to
12301 vector_types_convertible_p to allow emission of note.
12302 (digest_init): Likewise.
12303 * c-opts.c: Handle -flax-vector-conversions.
12304 * c-common.c (flag_lax_vector_conversions): New.
12305 (vector_types_convertible_p): Unless -flax-vector conversions
12306 has been passed, disallow conversions between vectors with
12307 differing numbers of subparts and/or element types. If such
12308 a conversion is disallowed, possibly emit a note on the first
12309 occasion only to inform the user of -flax-vector-conversions.
12310 The new last argument specifies this.
12311 * c-common.h (flag_lax_vector_conversions): New.
12312 (vector_types_convertible_p): Add extra argument.
12313 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12314 char_type_node for V*QI type vectors.
12315 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12316 Update to satisfy new typechecking rules.
12317 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12318 C and C++ variants.
12319 * doc/invoke.texi (C Dialect Options): Document
12320 -flax-vector-conversions.
12321
12322 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12323
12324 PR tree-optimization/29877
12325 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12326 a register variable on the RHS to not be replaceable.
12327
12328 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
12329 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12330 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12331 const_simm15, const_pow2, const_npow2): Added.
12332 * config/score/misc.md (insv, extv, extzv, movmemsi,
12333 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12334 * config/score/score.c (score_address_cost, score_select_cc_mode):
12335 Added.
12336 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12337 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12338 Update score_print_operand.
12339 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12340 Adjust register allocate order and update some macro define.
12341 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12342 mdx_block_move_straight, mdx_block_move_loop_head,
12343 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12344 mdx_block_move): Added.
12345 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12346 mdp_limm): Updated and fix some bug and typo.
12347 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12348 (movsf, movdf, doloop_end): Added.
12349
12350 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
12351
12352 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12353 config/arm/thumb2.md: Fix comment typos.
12354 * doc/extend.texi: Fix a typo.
12355
12356 2007-01-07 Eric Christopher <echristo@apple.com>
12357
12358 * configure.ac: Check for __stack_chk_fail for darwin.
12359 * configure: Regenerate.
12360
12361 2007-01-07 Richard Guenther <rguenther@suse.de>
12362
12363 * tree-vrp.c (extract_range_from_assert): CSE calls to
12364 compare_values where possible.
12365 (extract_range_from_unary_expr): Likewise.
12366
12367 2007-01-07 Anatoly Sokolov <aesok@post.ru>
12368
12369 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12370 * config/avr/avr.c (call_insn_operand): Delete function.
12371 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12372 instead of register number. Use predicates.
12373 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12374 call_insn_operand): Add.
12375
12376 2007-01-06 Jan Hubicka <jh@suse.cz>
12377
12378 * tree-pass.h (pass_build_cgraph_edges): Declare.
12379 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12380 (visited_nodes): Remove.
12381 (cgraph_create_edges): Move to cgraphbuild.c; rename to
12382 build_cgrpah_edges; make visited_nodes local.
12383 (cgraph_process_new_functions): DO not call initialize_inline_failed.
12384 (record_references_in_initializer): Move to cgraphbuild.c
12385 (initialize_inline_failed, rebuild_cgraph_edges,
12386 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12387 (verify_cgraph_node): Make visited_nodes local.
12388 (cgraph_analyze_function): Do not call cgraph_create_edges and
12389 initialize_inline_failed.
12390 (cgraph_expand_function): Do not call cgraph_lower_function;
12391 assert that function is already lowered.
12392 * Makefile.in (cgraphbuild.o): New.
12393 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12394 at the end of lowering passes.
12395
12396 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
12397
12398 * ifcvt.c (cond_move_convert_if_block): New function, code
12399 factored out from...
12400 (cond_move_process_if_block): ...here. Call the new function
12401 on the THEN and ELSE blocks.
12402 (merge_if_block): Do not copy global_live_at_end, merge_blocks
12403 already takes care of this.
12404
12405 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12406
12407 PR c/19978
12408 * tree.h (TREE_OVERFLOW_P): New.
12409 * c-typeck.c (parser_build_unary_op): Warn only if result
12410 overflowed and operands did not.
12411 (parser_build_binary_op): Likewise.
12412 (convert_for_assignment): Remove redundant overflow_warning.
12413 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12414
12415 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12416
12417 * c-typeck.c (store_init_value): Split over two lines to follow
12418 the GNU coding style.
12419
12420 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
12421
12422 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12423 __GXX_EXPERIMENTAL_CXX0X__.
12424 * doc/cpp.texi: Same.
12425
12426 2007-01-05 Richard Guenther <rguenther@suse.de>
12427
12428 PR middle-end/27826
12429 * tree.c (get_narrower): Do not construct COMPONENT_REFs
12430 with mismatched types. Instead explicitly build a
12431 conversion NOP_EXPR.
12432
12433 2007-01-05 Ian Lance Taylor <iant@google.com>
12434
12435 * c-common.c (decl_with_nonnull_addr_p): New function.
12436 (c_common_truthvalue_conversion): Call it.
12437 * c-typeck.c (build_binary_op): Likewise.
12438 * c-common.h (decl_with_nonnull_addr_p): Declare.
12439
12440 2007-01-05 Jakub Jelinek <jakub@redhat.com>
12441
12442 PR c/30360
12443 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12444 denom against 0.0.
12445
12446 2007-01-05 Joel Brobecker <brobecker@adacore.com>
12447
12448 * doc/install.texi (Final install): Document the fact that
12449 the GNAT runtime should not be stripped.
12450
12451 2007-01-04 Jan Hubicka <jh@suse.cz>
12452
12453 * tree-inline.c (fold_marked_statements): Update operand caches
12454 and EH after folding
12455
12456 2007-01-04 Ian Lance Taylor <iant@google.com>
12457
12458 * c-common.c (check_function_nonnull): Whitespace fix.
12459
12460 2007-01-04 Jan Hubicka <jh@suse.cz>
12461
12462 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12463 comitted older version of patch.
12464 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12465 function, celanup cfg and collect garbage.
12466
12467 2007-01-04 Mike Stump <mrs@apple.com>
12468
12469 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12470 (clean): Likewise.
12471
12472 2007-01-04 Eric Christopher <echristo@apple.com>
12473
12474 * libgcc2.c (__bswapsi2): Use SItype.
12475 (__bswapdi2): Use DItype.
12476 * libgcc2.h: Update for above.
12477
12478 2007-01-04 Paul Brook <paul@codesourcery.com>
12479
12480 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12481 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12482 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12483 umulsidi3, umulsidi3adddi, smulsi3_highpart,
12484 umulsi3_highpart): Make conditional on !arm_arch6.
12485 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12486 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12487 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12488 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12489 umulsi3_highpart_v6): New insns.
12490
12491 2007-01-04 Roger Sayle <roger@eyesopen.com>
12492
12493 * fold-const.c (fold_convert): When casting an expression to void,
12494 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12495 have a type. Instead of attempting to build a NOP_EXPR, return
12496 these "special" trees directly.
12497
12498 2007-01-04 Joseph Myers <joseph@codesourcery.com>
12499
12500 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12501 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
12502 rs6000_cost->fp not 0 as adjustment for outer NEG.
12503
12504 2007-01-04 Jan Hubicka <jh@suse.cz>
12505
12506 * cgraph.c (cgraph_release_function_body): New function.
12507 (cgraph_remove_node): Use it.
12508 * cgraph.h (cgraph_release_function_body): Declare.
12509 * cgraphunit.c (cgraph_expand_function): Use it.
12510 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12511 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12512 is initialized and while compilation of other function is running.
12513 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12514 statement CFG annotations from here to ...
12515 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12516
12517 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
12518
12519 * cfgloop.h (enum li_flags): Make the constants powers of two.
12520
12521 2007-01-04 Jan Hubicka <jh@suse.cz>
12522
12523 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12524 set.
12525 (fold_marked_statements): New function.
12526 (optimize_inline_calls, tree_function_versioning): Fold new statements.
12527 * tree-inline.h (copy_body_data): Add statements_to_fold.
12528
12529 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
12530
12531 * config.gcc: Mention libgcc/config.host.
12532 * Makefile.in: Update comments mentioning libgcc.
12533 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12534 (all.cross, start.encap, rest.encap, rest.cross): Update
12535 dependencies for libgcc move.
12536 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12537 (clean-target, clean-target-libgcc): Delete.
12538 (srcdirify, GCC_EXTRA_PARTS): New macros.
12539 (libgcc-support, libgcc.mvars): New rules.
12540 (distclean): Remove mention of mklibgcc.
12541 (install): Don't reference INSTALL_LIBGCC.
12542 (install-common): Don't reference EXTRA_PARTS.
12543 (install-libgcc, install-multilib): Delete rules.
12544 * mklibgcc.in: Delete file.
12545 * doc/configfiles.texi: Don't mention mklibgcc.
12546
12547 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12548 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12549 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12550 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12551 (mklibgcc, ldblspecs): Likewise.
12552
12553 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12554 (posixpre.def): Use $(T).
12555 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12556 (SHLIB_SRC, SHLIB_INSTALL): Delete.
12557 (SHLIB_LINK): Make dummy.
12558 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12559
12560 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12561
12562 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12563 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12564 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12565 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12566
12567 * configure.ac (all_outputs): Remove mklibgcc.
12568 * configure: Regenerated.
12569
12570 2007-01-03 Josh Conner <jconner@apple.com>
12571
12572 PR middle-end/29683
12573 * calls.c (compute_argument_addresses): Set stack and stack_slot
12574 for partial args, too.
12575 (store_one_arg): Use locate.size.constant for the size when
12576 generating a save_area.
12577
12578 2007-01-03 Robert Kennedy <jimbob@google.com>
12579
12580 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12581 whose definitions are deleted due to basic block merging.
12582
12583 2007-01-03 Paul Brook <paul@codesourcery.com>
12584
12585 PR target/16634
12586 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12587 functions.
12588 (use_return_insn): Return 0 for Thumb interrupt functions.
12589 (print_multi_reg): Add rfe argument for IRQ returns.
12590 (arm_output_epilogue): Pop interrupt return address directly into PC.
12591 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12592
12593 2007-01-03 Paul Brook <paul@codesourcery.com>
12594
12595 Merge from sourcerygxx-4_1.
12596 * config/arm/thumb2.md: New file.
12597 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12598 Thumb-2.
12599 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12600 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12601 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12602 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12603 tables.
12604 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12605 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12606 comptibility.
12607 * config/arm/ieee754-sf.S: Ditto.
12608 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12609 (thumb1_base_register_rtx_p): ... to this.
12610 (thumb_index_register_rtx_p): Rename...
12611 (thumb1_index_register_rtx_p): ... to this.
12612 (thumb_output_function_prologue): Rename...
12613 (thumb1_output_function_prologue): ... to this.
12614 (thumb_legitimate_address_p): Rename...
12615 (thumb1_legitimate_address_p): ... to this.
12616 (thumb_rtx_costs): Rename...
12617 (thumb1_rtx_costs): ... to this.
12618 (thumb_compute_save_reg_mask): Rename...
12619 (thumb1_compute_save_reg_mask): ... to this.
12620 (thumb_final_prescan_insn): Rename...
12621 (thumb1_final_prescan_insn): ... to this.
12622 (thumb_expand_epilogue): Rename...
12623 (thumb1_expand_epilogue): ... to this.
12624 (arm_unwind_emit_stm): Rename...
12625 (arm_unwind_emit_sequence): ... to this.
12626 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12627 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12628 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12629 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12630 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12631 thumb2_output_casesi): New functions.
12632 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12633 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12634 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12635 THUMB2_WORK_REGS): Define.
12636 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12637 arm_condexec_mask, arm_condexec_masklen)): New variables.
12638 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12639 (arm_override_options): Check new CPU capabilities.
12640 Set new architecture flag variables.
12641 (arm_isr_value): Handle v7m interrupt functions.
12642 (user_return_insn): Return 0 for v7m interrupt functions. Handle
12643 Thumb-2.
12644 (const_ok_for_arm): Handle Thumb-2 constants.
12645 (arm_gen_constant): Ditto. Use movw when available.
12646 (arm_function_ok_for_sibcall): Return false for v7m interrupt
12647 functions.
12648 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12649 (thumb_find_work_register, arm_load_pic_register,
12650 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12651 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12652 print_multi_reg, output_mov_long_double_fpa_from_arm,
12653 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12654 output_mov_double_fpa_from_arm, output_move_double,
12655 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12656 output_return_instruction, arm_output_function_prologue,
12657 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12658 arm_output_mi_thunk, thumb_set_return_address): Ditto.
12659 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
12660 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12661 (arithmetic_instr, shift_op): Use arm_shift_nmem.
12662 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
12663 '!' and 'L'.
12664 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12665 (thumb_expand_prologue): Use thumb_set_frame_pointer.
12666 (arm_file_start): Output directive for unified syntax.
12667 (arm_unwind_emit_set): Handle stack alignment instruction.
12668 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12669 Add v6t2, v7, v7a, v7r and v7m.
12670 (RETLDM): Add Thumb-2 code.
12671 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12672 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12673 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12674 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12675 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12676 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12677 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12678 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12679 ADJUST_INSN_LENGTH): Define.
12680 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12681 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12682 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12683 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12684 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12685 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12686 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12687 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12688 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12689 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12690 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12691 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12692 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12693 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12694 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12695 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12696 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12697 cortex-m3.
12698 * config/arm/arm-tune.md: Regenerate.
12699 * config/arm/arm-protos.h: Update prototypes.
12700 * config/arm/vfp.md: Enable patterns for Thumb-2.
12701 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
12702 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12703 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12704 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12705 * config/arm/libunwind.S: Add Thumb-2 code.
12706 * config/arm/constraints.md: Update include Thumb-2.
12707 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12708 * config/arm/ieee754-df.S: Ditto.
12709 * config/arm/bpabi.S: Ditto.
12710 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12711 * config/arm/predicates.md (low_register_operand,
12712 low_reg_or_int_operand, thumb_16bit_operator): New.
12713 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12714 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12715 * config/arm/t-arm-elf: Add armv7 multilib.
12716 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12717 Include thumb2.md.
12718 (UNSPEC_STACK_ALIGN, ce_count): New.
12719 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12720 arm_zero_extendsidi2, arm_zero_extendqidi2): New
12721 insns/expanders.
12722 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12723 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12724 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12725 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12726 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12727 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12728 insns.
12729 * doc/extend.texi: Document ARMv7-M interrupt functions.
12730 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12731
12732 2007-01-03 Jakub Jelinek <jakub@redhat.com>
12733
12734 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12735 (struct _Unwind_Context): Rename args_size to flags, remove
12736 signal_frame field, add a new args_size field and version field.
12737 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12738 _Unwind_IsExtendedContext): New inline functions.
12739 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12740 Assume by_value array is only present if _Unwind_IsExtendedContext.
12741 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12742 _Unwind_IsSignalFrame.
12743 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12744 (uw_update_context_1): Use _Unwind_SetSignalFrame.
12745 (uw_init_context_1): Initialize context->flags to
12746 EXTENDED_CONTEXT_BIT.
12747 * config/rs6000/linux-unwind.h (frob_update_context): Use
12748 _Unwind_SetSignalFrame.
12749
12750 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
12751
12752 PR middle-end/30353
12753 * gimplify.c (gimplify_modify_expr_complex_part): Move below
12754 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
12755 the value.
12756
12757 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
12758
12759 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12760 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12761 RET, AT_SP): Remove.
12762 * config/i386/i386.md (*sse_prologue_save_insn): Use return
12763 instead of RET.
12764
12765 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12766 * cfgbuild.c (find_basic_blocks): Likewise.
12767 * cfgrtl.c (rtl_create_basic_block): Likewise.
12768 * function.c (temp_slots_at_level): Likewise.
12769 * reg-stack.c (stack_regs_mentioned): Likewise.
12770 * regclass.c (allocate_reg_info): Likewise.
12771 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12772 set_bb_for_stmt, move_block_to_fn): Likewise.
12773 * tree-complex.c (tree_lower_complex): Likewise.
12774 * vec.h (VEC_safe_grow_cleared): New.
12775
12776 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12777
12778 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
12779
12780 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12781 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12782 to loop_version.
12783 * cfgloopmanip.c (scale_loop_frequencies): Export.
12784 (loopify): Scale the frequencies by prescribed coefficients.
12785 (set_zero_probability): New function.
12786 (duplicate_loop_to_header_edge): Improve updating of frequencies.
12787 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12788 and frequencies according to arguments.
12789 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12790 correctly.
12791 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12792 * modulo-sched.c (sms_schedule): Set probabilities for entering
12793 versioned loop correctly.
12794 * tree-vect-transform.c (vect_transform_loop): Ditto.
12795 * cfgloop.h (loopify, loop_version): Declaration changed.
12796 (scale_loop_frequencies): Declared.
12797
12798 2007-01-02 Jan Hubicka <jh@suse.cz>
12799
12800 * cgraph.c: Include tree-flow.h
12801 (cgraph_add_new-function): Handle IPA_SSA mode; execute
12802 early_local_passes.
12803 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12804 * tree-pass.h (pass_all_early_optimizations): Declare.
12805 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12806 early_local_passes.
12807 (cgraph_analyze_function): Do early_local_passes.
12808 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12809 Do not add referenced vars.
12810 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12811 SSA form.
12812 (gate_all_early_local_passes): New gate.
12813 (pass_early_local_passes): Use new gate.
12814 (execute_early_local_optimizations): New functions.
12815 (gate_all_early_optimizations): New gate.
12816 (pass_all_early_optimizations): New pass.
12817 (execute_free_datastructures): Free SSA only when initialized.
12818 (gate_init_datastructures): Init only when optimizing.
12819 (tree_lowering_passes): Do early local passes when called late.
12820 * tree-profile.c (do_tree_profiling): Don't profile functions added
12821 late.
12822 (do_early_tree_profiling, pass_early_tree_profile): Kill.
12823 * tree-cfg.c (update_modified_stmts): Do not update when operands are
12824 not active.
12825 * passes.c (init_optimizations_passes): Reorder so we go into SSA
12826 during early_local_passes.
12827 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12828
12829
12830 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
12831
12832 * Makefile.in: Update copyright year.
12833
12834 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
12835
12836 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12837 in $(lang_checks) and check-consistency targets.
12838
12839 2007-01-02 Jan Hubicka <jh@suse.cz>
12840
12841 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12842 Do not add referenced vars.
12843 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12844 are not active.
12845 * passes.c (init_optimization_passes): Put mudflap_2 after
12846 free_datastructures.
12847
12848 2007-01-02 Jan Hubicka <jh@suse.cz>
12849
12850 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12851 Set NOTHROW flag on call statements proved to be nothrow.
12852 Update statement of local calls so new pure/const functions are
12853 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12854 goto receivers.
12855 (tree_rest_of_compilation): Register hooks and initialize bitmap
12856 early. Do not set after_inlining flag.
12857
12858 2007-01-02 Steve Ellcey <sje@cup.hp.com>
12859
12860 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
12861 HOST_BITS_PER_LONGLONG
12862
12863 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12864
12865 PR c/19977
12866 * c-typeck.c (store_init_value): Don't emit pedantic overflow
12867 warning for non-static initializers.
12868
12869 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
12870
12871 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12872 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12873 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12874 Always use set_unique_reg_note to add REG_EQUAL notes.
12875
12876 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12877
12878 Revert:
12879 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12880
12881 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12882 * cfgbuild.c (find_basic_blocks): Likewise.
12883 * cfgrtl.c (rtl_create_basic_block): Likewise.
12884 * function.c (temp_slots_at_level): Likewise.
12885 * reg-stack.c (stack_regs_mentioned): Likewise.
12886 * regclass.c (allocate_reg_info): Likewise.
12887 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12888 set_bb_for_stmt, move_block_to_fn): Likewise.
12889 * tree-complex.c (tree_lower_complex): Likewise.
12890 * vec.h (VEC_safe_grow_cleared): New.
12891
12892 2007-01-02 Ian Lance Taylor <iant@google.com>
12893
12894 * c-common.c (c_common_truthvalue_conversion): When warning about
12895 using an assignment as a truth value, set TREE_NO_WARNING.
12896
12897 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12898
12899 PR middle-end/7651
12900 * c.opt (Wold-style-declaration): New.
12901 * doc/invoke.texi (C-only Warning Options): New.
12902 (Wold-style-declaration): Document it.
12903 (Wextra): Enabled by -Wextra.
12904 * c-opts.c (c_common_post_options): Enabled by -Wextra.
12905 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12906 -Wold-style-declaration.
12907
12908 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12909
12910 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12911 * cfgbuild.c (find_basic_blocks): Likewise.
12912 * cfgrtl.c (rtl_create_basic_block): Likewise.
12913 * function.c (temp_slots_at_level): Likewise.
12914 * reg-stack.c (stack_regs_mentioned): Likewise.
12915 * regclass.c (allocate_reg_info): Likewise.
12916 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12917 set_bb_for_stmt, move_block_to_fn): Likewise.
12918 * tree-complex.c (tree_lower_complex): Likewise.
12919 * vec.h (VEC_safe_grow_cleared): New.
12920
12921 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
12922
12923 * c-common.c (c_common_nodes_and_builtins): Since variants of
12924 void_type_node get built before it is given a name, we need to
12925 give those variants the name, too.
12926 (complete_array_type): We need to work with the canonical main
12927 type of the array, from which we will build the qualified version.
12928 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12929 * print-tree.c (print_node): Display canonical type information
12930 for each type.
12931 * stor-layout.c (layout_type): When we don't know the
12932 alignment of a type for which we're building an array, we end up
12933 guessing wrong, so make the type require structural equality.
12934 * tree.c (make_node_stat): When we build a new type, it is its
12935 own canonical type.
12936 (build_type_attribute_qual_variant): When building an attribute
12937 variant, its canonical type is the non-attribute variant. However,
12938 if the attributes are target-dependent and they differ, we need to
12939 use structural equality checks for this type.
12940 (build_qualified_type): A qualified type is not equivalent to its
12941 unqualified variant; set the canonical type appropriately.
12942 (build_distinct_type_copy): When building a distinct type from
12943 another type, the new type is its own canonical type.
12944 (build_variant_type_copy): When building a new type variant, we
12945 assume that it is equivalent to the original type.
12946 (build_pointer_type_for_mode): When building a pointer type, also
12947 build a canonical type pointer.
12948 (build_reference_type_for_mode): When building a reference type,
12949 also build a canonical type reference.
12950 (build_index_type): When we can't hash an index type (e.g.,
12951 because its maximum value is negative), the index type requires
12952 structural equality tests.
12953 (build_array_type): Build the canonical form of an array type.
12954 (build_function_type): Function types require structural equality,
12955 because they contain default arguments, attributes, etc.
12956 (build_method_type_directly): Ditto for method types.
12957 (build_offset_type): Build the canonical offset type.
12958 (build_complex_type): Build the canonical vector type.
12959 (make_vector_type): Build the canonical vector type.
12960 * tree.h (TYPE_CANONICAL): New.
12961 (TYPE_STRUCTURAL_EQUALITY_P): New.
12962 (SET_TYPE_STRUCTURAL_EQUALITY): New.
12963 (struct tree_type): Added "canonical" field.
12964 * params.h (VERIFY_CANONICAL_TYPES): New.
12965 * doc/c-tree.texi (TYPE_CANONICAL): Document.
12966 (TYPE_STRUCTURAL_EQUALITY_P): Document.
12967 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
12968 * doc/invoke.texi (verify-canonical-types): Document --param
12969 parameter for verifying canonical types.
12970
12971 2007-01-02 Joseph Myers <joseph@codesourcery.com>
12972
12973 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
12974 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
12975 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
12976 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
12977 tm_file.
12978 * config/rs6000/e500.h: New.
12979 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
12980 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
12981 Remove.
12982 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
12983 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
12984 TARGET_E500_DOUBLE): Remove.
12985 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
12986 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
12987 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
12988 * config/rs6000/rs6000.c (rs6000_override_options): Use
12989 CHECK_E500_OPTIONS.
12990
12991 2007-01-02 Joseph Myers <joseph@codesourcery.com>
12992
12993 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
12994 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
12995 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
12996 rs6000_emit_cmove): Don't check TARGET_E500.
12997 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
12998 sordered): Don't check TARGET_E500.
12999
13000 2007-01-01 Eric Christopher <echristo@apple.com>
13001
13002 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13003 HARD_REGISTER_NUM_P.
13004
13005 2007-01-01 Roger Sayle <roger@eyesopen.com>
13006
13007 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13008 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13009 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13010 eq/ne Y".
13011
13012 2007-01-01 Mike Stump <mrs@apple.com>
13013
13014 * configure.ac: Remove support for building with Apple's gcc-3.1.
13015
13016 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13017
13018 PR middle-end/30311
13019 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13020 REG is a hard register. Do not modify REG before calling
13021 subreg_nregs.
13022 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13023 multiple of the size of YMODE for certain lowpart cases.
13024
13025 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13026
13027 PR middle-end/30253
13028 * gimplify (voidify_wrapper_expr): Update for
13029 GIMPLE_MODIFY_STMT.
13030
13031 2007-01-01 Andreas Schwab <schwab@suse.de>
13032
13033 PR target/29166
13034 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13035 save of BR0 in extra_spill_size instead of spill_size.
13036 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13037 area.
13038 (ia64_expand_epilogue): Restore BR0 from its new location.
13039
13040 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13041
13042 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13043 Use a temporary variable if the left hand side is not a gimple
13044 register.
13045
13046 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13047
13048 * gimplify.c (gimplify_return_expr): Make the temporary variable
13049 for the return expression, a gimple register variable.
13050
13051 2007-01-01 Jan Hubicka <jh@suse.cz>
13052
13053 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13054 INSN_LIST.
13055
13056 2007-01-01 Mike Stump <mrs@apple.com>
13057
13058 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13059 .literal16.
13060 * config/darwin.c (machopic_select_rtx_section): Use
13061 HAVE_GAS_LITERAL16.
13062 (darwin_mergeable_constant_section): Likewise.
13063 * configure: Regenerate.
13064 * config.in: Regenerate.
13065
13066 2007-01-01 Jan Hubicka <jh@suse.cz>
13067 Andrew Pinski <pinskia@gmail.com>
13068
13069 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13070 before starting IPA passes.