| blob | 64d06c0d986abf1418333712e097cde1e46d137e |
1 2009-03-28 Xinliang David Li <davidxl@google.com>
3 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
4 (do_dbg_cnt): New function.
6 2009-03-28 Jan Hubicka <jh@suse.cz>
8 Merge from pretty-ipa:
10 2009-03-27 Jan Hubicka <jh@suse.cz>
11 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
12 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
13 * passes.c (function_called_by_processed_nodes_p): New.
14 * ipa-pure-const.c (check_call): Fix handling of operands.
15 (analyze_function): Dump debug output for skipped bodies.
16 (local_pure_const): Use function_called_by_processed_nodes_p.
17 * dwarf2out.c (reference_to_unused): Use output.
18 * passes.c (do_per_function_toporder): Likewise.
20 2008-11-12 Jan Hubicka <jh@suse.cz>
22 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
23 * ipa-pure-const.c (funct_state_d): Add can throw field; make
24 state_set_in_source enum
25 (check_decl): Ignore memory tags; do not set fake looping flags;
26 dump diagnostics.
27 (check_operand, check_tree, check_rhs_var, check_lhs_var,
28 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
29 (check_call, analyze_function): Rewrite.
30 (check_stmt): New.
31 (add_new_function): Update call of analyze_function.
32 (generate_summary): Add call of analyze_function.
33 (propagate): Propagate can_throw; handle state_set_in_source correctly.
34 (local_pure_const): New function.
35 (pass_local_pure_const): New pass.
36 * ipa-inline.c (inline_transform): Set after_inlining.
37 * tree-eh.c (stmt_can_throw_external): New.
38 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
39 work with aliasing built.
40 * tree-flow.h (stmt_can_throw_external): New.
41 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
42 and local pure/const pass in early and late optimization queue.
43 2009-03-28 Martin Jambor <mjambor@suse.cz>
45 * fold-const.c (get_pointer_modulus_and_residue): New parameter
46 allow_func_align.
47 (fold_binary): Allow function decl aligment consideration is the
48 second argument is integer constant one.
49 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
50 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
51 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
53 2009-03-28 Jan Hubicka <jh@suse.cz>
55 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
56 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
57 * function.h (rtl_data): Add nothrow flag.
58 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
59 set DECL_NOTHROW for AVAILABLE functions.
61 2009-03-28 Jakub Jelinek <jakub@redhat.com>
63 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
64 following vector keyword has expansion starting with pixel or bool
65 keyword, expand vector to __vector and pixel or bool to __pixel or
66 __bool.
68 PR c++/39554
69 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
70 warn_if_disallowed_function_p): Removed.
71 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
72 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
73 warning_if_disallowed_function_p.
74 * flags.h (warn_if_disallowed_function_p,
75 warn_disallowed_functions): Removed.
76 * common.opt (Wdisallowed-function-list=): Removed.
77 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
79 2009-03-28 Richard Guenther <rguenther@suse.de>
81 PR tree-optimization/38723
82 * tree-ssa-pre.c (compute_avail): Add all default definitions to
83 the entry block.
85 2009-03-28 Jan Hubicka <jh@suse.cz>
87 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
88 test introduced by my previous patch.
90 2009-03-28 Richard Guenther <rguenther@suse.de>
92 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
93 the PHIs value undefined.
95 2009-03-28 Jan Hubicka <jh@suse.cz>
97 * tree-pass.h (pass_fixup_cfg): New pass.
98 * ipa-inline.c (inline_transform): Set
99 always_inline_functions_inlined/after_inlining.
100 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
101 (pass_fixup_cfg): New pass.
102 * passes.c (init_optimization_passes): Add fixup_cfg.
104 2009-03-28 Richard Guenther <rguenther@suse.de>
106 PR tree-optimization/38458
107 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
108 argument use the arguments copy-of value.
110 2009-03-28 Richard Guenther <rguenther@suse.de>
112 PR tree-optimization/38180
113 * tree-ssa-ccp.c (get_default_value): Simplify.
114 (likely_value): Likewise.
115 (surely_varying_stmt_p): Properly handle VOP case.
116 (ccp_initialize): Likewise.
117 (ccp_fold): Handle propagating through *&.
118 (fold_const_aggregate_ref): Also handle decls.
120 2009-03-28 Jan Hubicka <jh@suse.cz>
122 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
123 * cgraph.h (cgraph_node): Likewise.
124 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
125 (cgraph_reset_node): Use process flag.
126 (cgraph_mark_functions_to_output): Likewise.
127 (cgraph_expand_function): Likewise.
128 (cgraph_expand_all_functions): Likewise.
129 (cgraph_output_in_order): Likewise.
130 * dwarf2out.c (reference_to_unused): Likewise.
131 * passes.c do_per_function_toporder): Likewise.
133 2009-03-28 Jan Hubicka <jh@suse.cz>
135 Bring from lto-branch:
136 2008-09-03 Doug Kwan <dougkwan@google.com>
138 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
139 enums instead of reason strings.
140 * cgraph.c (cgraph_create_edge): Same.
141 (cgraph_inline_failed_string): New function.
142 * cgraph.h (cgraph_inline_failed_t): New enum type.
143 (cgraph_inline_failed_string): New prototype.
144 (struct cgraph_edge): Change type of INLINED_FAILED from constant
145 char pointer to cgraph_inline_failed_t.
146 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
147 (cgraph_default_inline_p): Ditto.
148 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
149 to cgraph_inline_failed_t pointer.
150 * cif-code.def: New file.
151 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
152 reason string.
153 (cgraph_check_inline_limits): Change type of REASON to pointer to
154 cgraph_inline_failed_t. Replace reason strings with enums.
155 (cgraph_default_inline_p): Ditto.
156 (cgraph_recursive_inlining_p): Ditto.
157 (update_caller_keys): Change type of FAILED_REASON to
158 cgraph_inline_failed_t.
159 (cgraph_set_inline_failed): Change type of REASON to pointer to
160 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
161 convert enums to strings for text output.
162 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
163 to be of type cgraph_inline_failed_t. Replace reason strings with
164 enums. Call cgraph_inline_failed_string to covert enums
165 to strings for text output.
166 (cgraph_decide_inlining): Replace reason strings with enums.
167 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
168 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
169 for text output.
170 * tree-inline.c (expand_call_inline): Change type of REASON
171 to cgraph_inline_failed_t. Replace reason strings with enums.
172 Call cgraph_inline_failed_string for text output.
173 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
174 (cgraph.o): Ditto.
176 2009-03-28 Jan Hubicka <jh@suse.cz>
178 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
179 cgraph_clone_node): Remove master clone handling.
180 (cgraph_is_master_clone, cgraph_master_clone): Remove.
181 * cgraph.h (master_clone): Remove.
182 (cgraph_is_master_clone, cgraph_master_clone): Remove.
183 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
184 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
186 2009-03-28 Jan Hubicka <jh@suse.cz>
188 * cgraph.c (cgraph_function_body_availability): Functions declared
189 inline are always safe to assume that it is not going to be replaced.
191 2009-03-28 Richard Guenther <rguenther@suse.de>
193 PR tree-optimization/38513
194 * tree-ssa-pre.c (eliminate): Remove redundant stores.
195 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
196 EXC_PTR_EXPR and FILTER_EXPR.
197 (get_ref_from_reference_ops): Likewise.
199 2009-03-28 Richard Guenther <rguenther@suse.de>
201 PR tree-optimization/38968
202 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
203 Use FLOOR_MOD_EXPR to compute misalignment.
205 2009-03-28 Richard Guenther <rguenther@suse.de>
207 PR tree-optimization/37795
208 * tree.h (combine_comparisons): Declare.
209 * fold-const.c (combine_comparisons): Export.
210 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
211 comparisons.
212 (ifcombine_iforif): Use combine_comparisons.
214 2009-03-28 Jan Hubicka <jh@suse.cz>
216 * tree-eh.c (inlinable_call_p): New function.
217 (make_eh_edges): Use it.
218 (verify_eh_edges): Use it.
219 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
220 * except.c (reachable_next_level): Add inlinable_function argument
221 (sjlj_find_directly_reachable_regions): Update.
222 (add_reachable_handler): Do not set saw_any_handlers.
223 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
224 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
225 Add new inlinable call parameter.
226 (can_throw_internal, can_throw_external): Update.
227 * except.h (can_throw_internal_1, can_throw_external_1,
228 foreach_reachable_handler): Update declaration.
230 2009-03-28 Joseph Myers <joseph@codesourcery.com>
232 * config/arm/t-arm-coff, config/h8300/coff.h,
233 config/i386/i386-aout.h, config/i386/i386-coff.h,
234 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
235 config/pdp11/2bsd.h, config/rs6000/aix41.h,
236 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
237 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
238 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
239 sys-types.h: Remove.
240 * Makefile.in: Remove protoize and fixproto support and references
241 in comments.
242 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
243 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
244 Remove.
245 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
246 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
247 unprotoize$(exeext).
248 (rest.encap): Don't depend on $(STMP_FIXPROTO)
249 (.PHONY): Don't depend on proto.
250 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
251 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
252 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
253 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
254 build/gen-protos.o, build/scan.o, xsys-protos.h,
255 build/fix-header$(build_exeext), build/fix-header.o,
256 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
257 stmp-install-fixproto): Remove.
258 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
259 SYSCALLS.c or fixproto files.
260 (install-common): Don't install protoize.
261 (install-headers-tar, install-headers-cpio, install-headers-cp):
262 Don't depend on $(STMP_FIXPROTO).
263 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
264 install fixproto files or write out fixproto settings.
265 (uninstall): Don't uninstall protoize.
266 * config.gcc (use_fixproto): Remove.
267 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
268 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
269 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
270 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
271 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
272 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
273 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
274 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
275 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
276 * config/t-vxworks (STMP_FIXPROTO): Remove.
277 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
278 STMP_FIXPROTO): Remove.
279 * config.in, configure: Regenerate.
280 * crtstuff.c (gid_t, uid_t): Don't undefine.
281 * doc/install.texi: Change m68k-coff to m68k-elf in example.
282 (arm-*-coff, arm-*-aout: Remove target entries.
283 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
284 Remove mention of AIX 4.1.
285 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
286 * doc/invoke.texi (Running Protoize): Remove.
287 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
288 (Protoize Caveats): Remove.
289 * tsystem.h: Update comments on headers assumed to exist.
291 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
293 * genautomata.c: Add a new year to the copyright. Add a new
294 reference.
295 (struct insn_reserv_decl): Add comments for member bypass_list.
296 (find_bypass): Remove.
297 (insert_bypass): New.
298 (process_decls): Use insert_bypass.
299 (output_internal_insn_latency_func): Output all bypasses with the
300 same input insn in one switch case.
302 * rtl.def (define_bypass): Describe bypass choice.
303 * doc/md.texi (define_bypass): Ditto.
305 2009-03-27 Richard Guenther <rguenther@suse.de>
307 * gimplify.c (mark_addressable): Export.
308 * tree-flow.h (mark_addressable): Declare.
309 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
310 * tree-ssa.c (verify_phi_args): Verify that address taken
311 variables have TREE_ADDRESSABLE set.
313 2009-03-27 Richard Guenther <rguenther@suse.de>
315 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
316 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
317 Do not mark decls TREE_ADDRESSABLE.
318 (build_fold_addr_expr): Adjust.
319 (fold_addr_expr): Remove.
320 (fold_unary): Use build_fold_addr_expr.
321 (fold_comparison): Likewise.
322 (split_address_to_core_and_offset): Likewise.
323 * coverage.c (tree_coverage_counter_addr): Mark the array decl
324 TREE_ADDRESSABLE.
325 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
326 (gimplify_modify_expr_to_memcpy): Mark source and destination
327 addressable.
328 * omp-low.c (create_omp_child_function): Mark the object decl
329 TREE_ADDRESSABLE.
330 (lower_rec_input_clauses): Mark the var we take the address of
331 TREE_ADDRESSABLE.
332 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
334 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
336 PR middle-end/39315
337 * cfgexpand.c (expand_one_stack_var_at): Change alignment
338 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
340 2009-03-27 Richard Guenther <rguenther@suse.de>
342 PR tree-optimization/39120
343 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
344 constraints.
345 (handle_lhs_call): Process return constraints. Add escape
346 constraints if necessary.
347 (handle_const_call): Fill out return constraints. Make nested
348 case more precise. Avoid consttmp if possible.
349 (handle_pure_call): Fill out return constraints. Avoid
350 callused if possible.
351 (find_func_aliases): Simplify call handling.
353 2009-03-27 Richard Guenther <rguenther@suse.de>
355 PR tree-optimization/39120
356 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
357 as a representative.
358 (solve_graph): Do propagate CALLUSED.
359 (handle_pure_call): Use a scalar constraint from CALLUSED for
360 the return value.
361 (find_what_p_points_to): CALLUSED shall not appear in poins-to
362 solutions.
364 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
366 PR c/39323
367 * c-common.c (handle_aligned_attribute): Properly check alignment
368 overflow. Use (1U << i) instead of (1 << i).
370 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
371 align.
373 * expr.h (get_mem_align_offset): Updated.
375 * tree.h (tree_decl_common): Change align to "unsigned int" and
376 move it before pointer_alias_set.
378 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
379 Jakub Jelinek <jakub@redhat.com>
381 PR target/38034
382 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
383 gr_register_operand with gr_reg_or_0_operand.
384 (cmpxchg_rel_di): Likewise.
385 (sync_lock_test_and_set<mode>): Likewise.
387 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
389 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
390 (true_regnum): Likewise.
392 * rtlanal.c (subreg_info): Moved to ...
393 * rtl.h (subreg_info): Here. New.
394 (subreg_get_info): New.
396 * rtlanal.c (subreg_get_info): Make it extern.
398 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
400 PR target/39472
401 * config/i386/i386.c (ix86_abi): New.
402 (override_options): Handle -mabi=.
403 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
404 ix86_abi.
405 (ix86_call_abi_override): Likewise.
406 (init_cumulative_args): Likewise.
407 (function_arg_advance): Likewise.
408 (function_arg_64): Likewise.
409 (function_arg): Likewise.
410 (ix86_pass_by_reference): Likewise.
411 (ix86_function_value_regno_p): Likewise.
412 (ix86_build_builtin_va_list_abi): Likewise.
413 (setup_incoming_varargs_64): Likewise.
414 (is_va_list_char_pointer): Likewise.
415 (ix86_init_machine_status): Likewise.
416 (ix86_reg_parm_stack_space): Use enum calling_abi on
417 call_abi.
418 (ix86_function_type_abi): Return enum calling_abi. Rewrite
419 for 64bit. Replace DEFAULT_ABI with ix86_abi.
420 (ix86_function_abi): Make it static and return enum
421 calling_abi.
422 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
423 with ix86_abi.
424 (ix86_fn_abi_va_list): Updated.
426 * config/i386/i386.h (ix86_abi): New.
427 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
428 (CONDITIONAL_REGISTER_USAGE): Likewise.
429 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
430 (machine_function): Likewise.
432 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
433 with ix86_abi.
434 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
435 (STACK_BOUNDARY): Likewise.
436 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
438 * config/i386/i386.opt (mabi=): New.
440 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
441 return enum calling_abi.
442 (ix86_function_type_abi): Likewise.
443 (ix86_function_abi): Removed.
445 * doc/invoke.texi: Document -mabi= option for x86.
447 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
449 * builtins.c (real_dconstp): Delete.
450 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
452 2009-03-27 Dodji Seketeli <dodji@redhat.com>
453 Jakub Jelinek <jakub@redhat.com>
455 PR debug/37959
456 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
457 (gen_subprogram_die): When a function is explicit, generate the
458 DW_AT_explicit attribute.
459 * langhooks.h (struct lang_hooks_for_decls): Add
460 function_decl_explicit_p langhook.
461 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
462 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
464 2009-03-27 Jakub Jelinek <jakub@redhat.com>
466 * builtins.c (fold_builtin_memory_op): Optimize memmove
467 into memcpy if we can prove source and destination don't overlap.
469 * tree-inline.c: Include gt-tree-inline.h.
470 (clone_fn_id_num): New variable.
471 (clone_function_name): New function.
472 (tree_function_versioning): Use it.
473 * Makefile.in (GTFILES): Add tree-inline.c.
475 2009-03-27 Mark Mitchell <mark@codesourcery.com>
477 * BASE-VER: Change to 4.5.0.
479 2009-03-27 Xinliang David Li <davidxl@google.com>
481 PR tree-optimization/39557
482 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
484 2009-03-27 Xinliang David Li <davidxl@google.com>
486 PR tree-optimization/39548
487 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
488 candidate check.
490 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
492 * c-common.c (pointer_int_sum): Use %wd on return from
493 tree_low_cst.
495 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
497 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
498 on return from tree_low_cst.
500 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
502 PR c++/36799
503 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
505 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
507 PR c++/35652
508 * builtins.h (c_strlen): Do not warn here.
509 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
510 * c-common.c (pointer_int_sum): Take an explicit location.
511 Warn about offsets out of bounds.
512 * c-common.h (pointer_int_sum): Adjust declaration.
514 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
516 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
517 markup glitch.
519 2009-03-26 Jakub Jelinek <jakub@redhat.com>
521 PR c++/39554
522 * opts.c (warn_if_disallowed_function_p): Don't assume
523 get_callee_fndecl must return non-NULL.
525 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
527 PR rtl-optimization/39522
528 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
529 when reg_reloaded_valid is set.
531 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
533 * config/spu/divv2df3.c: New file.
534 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
535 (DPBIT_FUNCS): Filter out _div_df.
537 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
539 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
540 a jump insn, count that jump in the distance to the loop start.
542 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
544 PR target/39523
545 * config/sh/sh.c (calc_live_regs): Fix condition for global
546 registers except PIC_OFFSET_TABLE_REGNUM.
548 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
550 PR/39518
551 * doc/invoke.texi (-mconsole): New.
552 (-mcygwin): New.
553 (-mno-cygwin): New.
554 (-mdll): New.
555 (-mnop-fun-dllimport): New.
556 (-mthread): New.
557 (-mwin32): New.
558 (-mwindows): New.
559 (sub section "i386 and x86-64 Windows Options"): New.
561 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
563 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
564 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
566 2009-03-25 Richard Guenther <rguenther@suse.de>
568 PR middle-end/39497
569 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
570 of -Wno-error.
572 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
574 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
575 neither of haifa/selective schedulers are working.
577 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
579 * doc/invoke.texi (Debugging Options): Fix description of
580 -fno-merge-debug-strings.
582 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
584 * config/cris/libgcc.ver: New version-script.
585 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
587 * configure.ac <GAS features, nop mnemonic>: Add pattern
588 crisv32-*-* for "nop".
589 <GAS features, Thread-local storage>: Add item for CRIS and
590 CRIS v32.
591 * configure: Regenerate.
593 2009-03-24 Ira Rosen <irar@il.ibm.com>
595 PR tree-optimization/39529
596 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
597 mark_sym_for_renaming for the tag copied to the new vector
598 pointer.
600 2009-03-24 Arthur Loiret <aloiret@debian.org>
602 * config.host (alpha*-*-linux*): Use driver-alpha.o and
603 alpha/x-alpha.
604 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
605 EXTRA_SPEC_FUNCTIONS.
606 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
607 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
608 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
609 -march and -mtune options.
611 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
613 * config/m68k/t-rtems: Add m5329 multilib.
615 2009-03-24 Dodji Seketeli <dodji@redhat.com>
616 Jakub Jelinek <jakub@redhat.com>
618 PR debug/39524
619 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
620 nodes.
622 2009-03-23 Jakub Jelinek <jakub@redhat.com>
624 PR c/39495
625 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
626 instead of c_parser_expression_conv, if original_code isn't one of the
627 4 allowed comparison codes, fail.
629 2009-03-23 Richard Guenther <rguenther@suse.de>
631 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
632 * tree.h (struct tree_type): Likewise.
633 * reload.h (struct insn_chain): Likewise.
634 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
635 * function.h (struct function): Likewise.
636 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
638 2009-03-23 Jakub Jelinek <jakub@redhat.com>
640 PR tree-optimization/39516
641 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
643 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
645 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
646 should be set true if BITS_PER_WORD of target is bigger than 32
648 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
650 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
651 Translate -B-options to -rpath-link. Correct existing
652 rpath-link and conditionalize on !nostdlib.
654 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
656 * doc/extend.texi (Function Attributes, Variable Attributes):
657 Fix typos.
658 * doc/invoke.texi (Debugging Options, Optimize Options)
659 (i386 and x86-64 Options, MCore Options): Likewise.
661 2009-03-20 Jakub Jelinek <jakub@redhat.com>
663 PR debug/37890
664 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
665 it for block local namespace aliases.
666 (gen_decl_die): Pass context_die to gen_namespace_die.
668 2009-03-19 Jakub Jelinek <jakub@redhat.com>
670 PR c/39495
671 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
672 minimum or maximum value.
674 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
676 * reginfo.c (globalize_reg): Recompute derived reg sets.
678 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
680 PR target/39063
681 * libgcc2.c (mprotect): Do not use signed arguments for
682 VirtualProtect, use DWORD arguments. Also fix the 'may
683 be used uninitialized' warning for the np variable.
685 2009-03-19 Jakub Jelinek <jakub@redhat.com>
687 PR target/39496
688 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
689 functions using regparm calling conventions when not optimizing.
690 (ix86_function_sseregparm): Similarly for sseregparm calling
691 conventions.
693 2009-03-19 Li Feng <nemokingdom@gmail.com>
695 PR middle-end/39500
696 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
697 dependence if the first conflict is after niter iterations.
699 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
701 PR middle-end/38609
702 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
703 functions with dynamic stack-pointer adjustments.
705 2009-03-19 Ben Elliston <bje@au.ibm.com>
707 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
708 option; change to -msdata=data.
710 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
712 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
713 and -fopenmp.
715 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
717 PR target/35180
718 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
720 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
722 * doc/invoke.texi (Code Gen Options): Expand discussion of
723 -fno-common.
725 2009-03-18 Jakub Jelinek <jakub@redhat.com>
727 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
728 * matrix-reorg.c (struct matrix_info): Likewise.
729 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
730 * rtl.h (struct mem_attrs): Likewise.
731 * df.h (struct df): Likewise.
732 * tree-data-ref.h (struct data_dependence_relation): Likewise.
733 * ira-int.h (struct ira_allocno): Likewise.
734 * df-scan.c (struct df_collection_rec): Likewise.
735 * ira.c (struct equivalence): Likewise.
736 * function.c (struct temp_slot): Likewise.
737 * cfgloop.h (struct loop): Likewise.
739 PR debug/39485
740 * function.c (use_register_for_decl): When not optimizing, disregard
741 register keyword for variables with types containing methods.
743 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
745 PR middle-end/39447
746 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
747 (is_simple_operand): Call contains_component_ref_p before calling data
748 reference analysis that would fail on COMPONENT_REFs.
750 * tree-vrp.c (search_for_addr_array): Fix formatting.
752 2009-03-18 Richard Guenther <rguenther@suse.de>
754 * tree-vect-transform.c (vect_loop_versioning): Fold the
755 generated comparisons.
756 * tree-vectorizer.c (set_prologue_iterations): Likewise.
757 (slpeel_tree_peel_loop_to_edge): Likewise.
759 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
761 PR middle-end/37805
762 * opts.c (print_specific_help): In addition to `undocumented',
763 accept `separate' and `joined' flags if passed alone. Describe
764 output by the first matched one of those.
765 (common_handle_option): Skip over empty strings.
766 * gcc.c (display_help): Fix help string for `--help='.
767 * doc/invoke.texi (Option Summary, Overall Options): With
768 `--help=', classes and qualifiers can both be repeated, but
769 only the latter can be negated. One should not pass only
770 negated qualifiers. Fix markup and examples.
772 Revert
773 2008-10-14 Jakub Jelinek <jakub@redhat.com>
774 PR middle-end/37805
775 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
776 and -fhelp=separate.
778 2009-03-17 Jing Yu <jingyu@google.com>
780 PR middle-end/39378
781 * function.h (struct rtl_data): Move is_thunk from here...
782 (struct function): ...to here.
783 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
784 * varasm.c (assemble_start_function): Change is_thunk from crtl to
785 cfun.
786 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
787 cfun.
788 (alpha_does_function_need_gp, alpha_start_function): Likewise.
789 (alpha_output_function_end_prologue): Likewise.
790 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
791 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
792 (rs6000_output_function_epilogue): Likewise.
793 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
795 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
797 PR target/39482
798 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
799 from different units in a single alternative.
800 (*truncdfsf_i387): Ditto.
801 (*truncxfsf2_mixed): Ditto.
802 (*truncxfdf2_mixed): Ditto.
804 2009-03-17 Jakub Jelinek <jakub@redhat.com>
806 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
807 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
809 PR debug/39474
810 * tree-ssa-live.c (remove_unused_locals): Don't remove local
811 unused non-artificial variables when not optimizing.
813 PR debug/39471
814 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
815 DW_TAG_imported_module even if decl is IMPORTED_DECL with
816 NAMESPACE_DECL in its DECL_INITIAL.
818 PR middle-end/39443
819 * optabs.c (set_user_assembler_libfunc): New function.
820 * expr.h (set_user_assembler_libfunc): New prototype.
821 * c-common.c: Include libfuncs.h.
822 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
823 for memcmp, memset, memcpy, memmove and abort.
824 * Makefile.in (c-common.o): Depend on libfuncs.h.
826 PR debug/39412
827 * dwarf2out.c (gen_inlined_enumeration_type_die,
828 gen_inlined_structure_type_die, gen_inlined_union_type_die,
829 gen_tagged_type_instantiation_die): Removed.
830 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
831 do nothing.
833 2009-03-17 Janis Johnson <janis187@us.ibm.com>
835 PR testsuite/38526
836 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
837 its use.
838 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
839 (check-parallel-%): Ditto.
840 (check-consistency): Ditto.
842 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
844 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
845 local variable rhs by NULL_TREE.
847 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
849 PR target/39477
850 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
852 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
854 PR target/39476
855 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
857 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
859 PR target/39473
860 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
861 for ms->sysv ABI calls only in 64bit mode.
863 * config/i386/i386.md (untyped_call): Support 32bit.
865 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
867 * doc/extend.texi: Replace x86_65 with x86_64.
869 2009-03-16 Jakub Jelinek <jakub@redhat.com>
871 PR tree-optimization/39455
872 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
873 mismatches for POINTER_TYPE_P (type).
874 (number_of_iterations_le): Likewise.
876 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
878 * config/picochip/picochip.c: Removed profiling support.
879 * config/picochip/picochip.md: Removed profiling instruction.
880 * config/picochip/picochip.h: Removed profiling builtin.
882 2009-03-16 Joseph Myers <joseph@codesourcery.com>
884 * doc/install.texi (--with-host-libstdcxx): Document.
886 2009-03-14 Anatoly Sokolov <aesok@post.ru>
888 PR target/34299
889 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
890 generate a warning if the function name does not begin with
891 "__vector" and the function has either the 'signal' or 'interrupt'
892 attribute, from here to ...
893 (avr_declare_function_name): ...here. New function.
894 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
895 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
897 2009-03-14 Jakub Jelinek <jakub@redhat.com>
899 PR bootstrap/39454
900 * cse.c (fold_rtx): Don't modify original const_arg1 when
901 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
902 separate variable instead.
903 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
904 from out of range shift counts.
905 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
907 2008-03-13 Catherine Moore <clm@codesourcery.com>
909 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
910 diagnostic.h with $(DIAGNOSTIC_H).
912 2008-03-12 Jakub Jelinek <jakub@redhat.com>
914 PR target/39431
915 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
916 predicate.
917 * config/i386/sync.md (sync_compare_and_swap<mode>,
918 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
919 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
920 into a register.
921 (sync_double_compare_and_swapdi_pic,
922 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
923 cmpxchg8b_pic_memory_operand instead of just memory_operand.
925 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
927 PR target/39445
928 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
930 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
932 PR target/39327
933 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
934 (avx_addsubv4df3): Likewise.
935 (*avx_addsubv4sf3): Likewise.
936 (sse3_addsubv4sf3): Likewise.
938 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
940 PR target/38824
941 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
943 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
945 PR debug/39432
946 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
947 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
948 registers for allocnos created from user-defined variables.
950 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
952 PR target/39181
953 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
954 of non-integer mode as well.
956 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
958 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
959 for functions for which the parameter types are unknown.
961 2009-03-11 Jakub Jelinek <jakub@redhat.com>
963 PR target/39137
964 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
965 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
966 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
967 * config/i386/i386.c (ix86_local_alignment): For
968 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
969 long long variables on the stack to avoid dynamic realignment.
970 Allow the first argument to be a decl rather than type.
971 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
973 2009-03-11 Nick Clifton <nickc@redhat.com>
975 PR target/5362
976 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
977 options.
978 Add description to mno-lsim option.
979 * config/mcore/mcore.h: Remove comment about deprecated m4align
980 option.
981 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
982 * doc/invoke.texi: Add description of mno-lsim and
983 mstack-increment options.
985 * config/fr30/fr30.opt: Document the -mno-lsim option.
986 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
987 and -mno-lsim options.
989 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
991 * fold-const.c (fold_comparison): Only call fold_inf_compare
992 if the mode supports infinities.
994 2009-03-11 Jason Merrill <jason@redhat.com>
996 PR debug/39086
997 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
998 end already did. Notice GIMPLE_CALL modifications of the result.
999 Don't copy debug information from an ignored decl or a decl from
1000 another function.
1002 2009-03-10 Richard Guenther <rguenther@suse.de>
1003 Nathan Froyd <froydnj@codesourcery.com>
1005 PR middle-end/37850
1006 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1007 (__divMODE3): Likewise.
1009 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1011 PR tree-optimization/39394
1012 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1013 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1015 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1017 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1018 inline asms for register asm ("") declarations.
1020 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1022 * fold-const.c (fold_unary): Fix comment.
1024 2009-03-07 Jan Hubicka <jh@suse.cz>
1026 PR target/39361
1027 * tree-inline.c (setup_one_parameter): Do replacement of const
1028 argument by constant in SSA form.
1030 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1032 PR middle-end/38028
1033 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1034 determine alignment passed to assign_stack_local.
1035 (assign_parms_unsplit_complex): Likewise.
1036 * except.c (sjlj_build_landing_pads): Likewise.
1038 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1040 PR middle-end/39360
1041 * tree-flow.h (add_referenced_var): Return bool instead of void.
1042 * tree-dfa.c (add_referenced_var): Return result of
1043 referenced_var_check_and_insert call.
1044 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1045 of referenced_var_check_and_insert.
1047 PR debug/39372
1048 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1049 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1050 DIE, don't emit it if abstract origin already has it.
1051 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1052 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1054 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1056 * genpreds.c: (needs_variable): Fix parentheses at variable name
1057 detection.
1058 (write_tm_constrs_h): Indent generated code.
1060 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1062 * doc/extend.texi (Function Attributes): Add documentation
1063 for isr attributes.
1065 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1067 PR debug/39387
1068 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1069 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1071 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1073 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1074 the loop as bad.
1076 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1078 PR debug/39379
1079 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1080 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1082 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1084 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1085 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1086 constants instead of magic numbers.
1087 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1088 (QI_REG_P): Ditto.
1089 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1090 (x86_64_ms_abi_int_parameter_registers): Ditto.
1091 (x86_64_int_return_registers): Ditto.
1092 (ix86_maybe_switch_abi): Ditto.
1093 (ix86_expand_call): Ditto for clobbered_registers array.
1094 (ix86_hard_regno_mode_ok): Ditto.
1095 (x86_extended_QIreg_mentioned_p): Ditto.
1097 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1099 PR tree-optimization/39349
1100 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1102 * combine.c (gen_lowpart_for_combine): Use omode when generating
1103 clobber.
1105 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1107 PR rtl-optimization/39235
1108 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1110 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1112 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1114 2009-03-04 Richard Guenther <rguenther@suse.de>
1116 PR tree-optimization/39362
1117 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1118 that occur in abnormal PHIs should be varying.
1120 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1122 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1123 Extend comments.
1124 (simple_iv): Take loop as an argument instead of statement.
1125 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1126 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1127 to simple_iv.
1128 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1129 Ditto.
1130 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1131 * matrix-reorg.c (analyze_transpose): Ditto.
1132 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1133 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1134 * tree-predcom.c (ref_at_iteration): Ditto.
1135 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1137 2009-03-04 Richard Guenther <rguenther@suse.de>
1139 PR tree-optimization/39358
1140 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1141 escaped_id and callused_id.
1142 (solve_graph): Likewise.
1144 2009-03-04 Richard Guenther <rguenther@suse.de>
1146 PR tree-optimization/39339
1147 * tree-sra.c (try_instantiate_multiple_fields): Make it
1148 no longer ICE on the above.
1150 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1152 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1153 that fits within Pmode.
1155 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1157 PR middle-end/10109
1158 * tm.texi (LIBCALL_VALUE): Update description.
1160 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1162 PR middle-end/34443
1163 * doc/extend.texi (section): Update description.
1165 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1167 PR middle-end/39345
1168 * tree-inline.c (remapped_type): New.
1169 (can_be_nonlocal): Call remapped_type instead of remap_type.
1171 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1173 PR fortran/39354
1174 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1175 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1177 2009-03-03 Richard Guenther <rguenther@suse.de>
1179 PR middle-end/39272
1180 * tree.c (tree_nonartificial_location): New function.
1181 * tree.h (tree_nonartificial_location): Declare.
1182 * builtins.c (expand_builtin_memory_chk): Provide location
1183 of the call location for artificial function pieces.
1184 (maybe_emit_chk_warning): Likewise.
1185 (maybe_emit_sprintf_chk_warning): Likewise.
1186 (maybe_emit_free_warning): Likewise.
1187 * expr.c (expand_expr_real_1): Likewise.
1189 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1191 PR tree-optimization/39343
1192 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1193 COMPONENT_REF t has ARRAY_TYPE.
1195 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1197 PR middle-end/39335
1198 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1199 when the type precision of the induction variable should be
1200 larger than the type precision of nit.
1201 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1202 * graphite.c (graphite_loop_normal_form): Same.
1203 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1205 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1207 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1208 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1209 numbers to describe clobbered registers.
1210 (*call_value_0_rex64_ms_sysv): Ditto.
1211 * config/i386/mmx.md (mmx_emms): Ditto.
1212 (mmx_femms): Ditto.
1214 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1216 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1217 of ABI_64.
1219 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1221 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1222 (spu_section_type_flags): New function.
1224 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1226 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1227 reg_class_contents of FLOAT_REGS into a temporary.
1229 2009-03-02 Richard Guenther <rguenther@suse.de>
1230 Ira Rosen <irar@il.ibm.com>
1232 PR tree-optimization/39318
1233 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1234 information to the vectorized statement.
1236 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1238 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1239 variable. Use defined names instead of magic constants for REX SSE
1240 registers.
1242 2009-03-01 Richard Guenther <rguenther@suse.de>
1244 PR tree-optimization/39331
1245 * omp-low.c (lower_send_shared_vars): Do not receive new
1246 values for the reference of DECL_BY_REFERENCE parms or results.
1248 2009-03-01 Jan Hubicka <jh@suse.cz>
1250 PR debug/39267
1251 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1252 BLOCK_NONLOCALIZED_VAR): New macros.
1253 (tree_block): Add nonlocalized_vars.
1254 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1255 gen_decl_die): Add origin argument. Allow generation of die with
1256 origin at hand only.
1257 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1258 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1259 of gen_*.
1260 (gen_block_die): Fix checking for unused blocks.
1261 (process_scope_var): Break out from .... ; work with origins only.
1262 (decls_for_scope) ... here; process nonlocalized list.
1263 (dwarf2out_ignore_block): Look for nonlocalized vars.
1264 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1265 vars.
1266 (dump_scope_block): Dump them.
1267 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1268 (remap_block): Likewise.
1269 (can_be_nonlocal): New predicate.
1270 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1272 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1274 * configure: Regenerate.
1276 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1278 * optc-gen.awk: No need to duplicate option flags twice.
1279 Reuse help texts for duplicate options which do not have any.
1281 * gcc.c (display_help): Document --version.
1283 * gcc.c (main): If print_help_list and verbose_flag, ensure
1284 driver output comes before subprocess output.
1286 * optc-gen.awk: Assign all remaining fields to help string,
1287 space-separated, for multi-line help in *.opt.
1289 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1290 -Wno-pedantic-ms-format is for MinGW targets only.
1292 * doc/options.texi (Option file format): Fix bad indentation,
1293 restoring dropped sentence.
1295 2009-02-28 Jan Hubicka <jh@suse.cz>
1297 * tree-inline.c (tree_function_versioning): Output debug info.
1299 2009-02-28 Jan Hubicka <jh@suse.cz>
1301 PR debug/39267
1302 * tree-inline.c (setup_one_parameter): Do not copy propagate
1303 arguments when not optimizing.
1305 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1307 PR target/39327
1308 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1309 (avx_addsubv4df3): Likewise.
1310 (*avx_addsubv4sf3): Likewise.
1311 (sse3_addsubv4sf3): Likewise.
1312 (*avx_addsubv2df3): Likewise.
1313 (sse3_addsubv2df3): Likewise.
1314 (avx_unpckhps256): Correct item selectors.
1315 (avx_unpcklps256): Likewise.
1316 (avx_unpckhpd256): Likewise.
1317 (avx_unpcklpd256): Likewise.
1319 2009-02-28 Jan Hubicka <jh@suse.cz>
1321 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1322 static vars.
1323 (copy_arguments_for_versioning): If var is declared don't declare it.
1324 (tree_function_versioning): First setup substitutions and then copy
1325 args.
1327 2009-02-27 Jan Hubicka <jh@suse.cz>
1329 PR debug/39267
1330 * cgraph.h (varpool_output_debug_info): Remove.
1331 * cgraphunit.c (varpool_output_debug_info): Remove.
1332 * dwarf2out.c (deferred_locations_struct): New struct
1333 (deferred_locations): New type.
1334 (deferred_locations_list): New static var.
1335 (deffer_location): New function.
1336 (gen_variable_die): Use it.
1337 (decls_for_scope): Output info on local static vars.
1338 (dwarf2out_finish): Process deferred locations.
1339 * varpool.c (varpool_output_debug_info): Remove.
1341 2009-02-27 Jan Hubicka <jh@suse.cz>
1343 PR debug/39267
1344 * tree.h (TREE_PROTECTED): Fix comment.
1345 (BLOCK_HANDLER_BLOCK): Remove.
1346 (struct tree_block): Remove handler_block add body_block.
1347 (inlined_function_outer_scope_p): New.
1348 (is_body_block): Remove.
1349 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1350 * dwarf2out.c (is_inlined_entry_point): Remove.
1351 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1352 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1353 code.
1354 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1355 * gimplify.c (gimplify_expr): Gimplify body blocks.
1356 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1357 block with multiple subblocks.
1358 (dump_scope_block): Prettier output; dump more flags and info.
1359 (dump_scope_blocks): New.
1360 (remove_unused_locals): Use dump_scope_blocks.
1361 * tree-flow.h (dump_scope_blocks): Declare.
1362 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1363 * stmt.c (is_body_block): Remove.
1364 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1365 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1367 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1369 PR middle-end/39308
1370 * graphite.c (graphite_loop_normal_form): Do not call
1371 number_of_iterations_exit from a gcc_assert.
1373 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1375 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1376 jumps if COND is NULL.
1377 (find_cond_jump): New function.
1378 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1379 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1381 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1383 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1384 force_const_mem returns NULL_RTX.
1386 2009-02-26 Jan Hubicka <jh@suse.cz>
1388 PR debug/39267
1389 * cgraph.h (varpool_output_debug_info): Remove.
1390 * cgraphunit.c (varpool_output_debug_info): Remove.
1391 * dwarf2out.c (deferred_locations_struct): New struct
1392 (deferred_locations): New type.
1393 (deferred_locations_list): New static var.
1394 (deffer_location): New function.
1395 (gen_variable_die): Use it.
1396 (decls_for_scope): Output info on local static vars.
1397 (dwarf2out_finish): Process deferred locations.
1398 * varpool.c (varpool_output_debug_info): Remove.
1400 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1402 PR rtl-optimization/39241
1403 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1404 to subreg_offset_representable_p.
1406 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1408 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1409 execute function prototype. Get f and nregs from max_reg_num
1410 and get_insns. Remove the first backward pass as it's dead,
1411 guard the forward pass by flag_expensive_optimizations.
1412 (rest_of_handle_regmove): Delete.
1413 (pass_regmove): Replace it with regmove_optimize.
1415 2009-02-25 Martin Jambor <mjambor@suse.cz>
1417 PR tree-optimization/39259
1418 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1419 calls_alloca function flags.
1420 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1421 calls are detected.
1423 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1425 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1426 flags_set_1_rtx, flags_set_1_set): Delete.
1427 (regmove_optimize): Do not call mark_flags_life_zones.
1429 2009-02-24 Julian Brown <julian@codesourcery.com>
1431 PR target/35965
1432 * config/arm/arm.c (require_pic_register): Only set
1433 cfun->machine->pic_reg once per function.
1435 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1437 * doc/invoke.texi (Link Options): Document an easier way to pass
1438 options that take arguments to the GNU linker using -Xlinker and -Wl.
1440 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1442 PR target/33785
1443 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1445 2009-02-24 Richard Guenther <rguenther@suse.de>
1447 PR debug/39285
1448 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1450 2009-02-24 Richard Guenther <rguenther@suse.de>
1451 Zdenek Dvorak <ook@ucw.cz>
1453 PR tree-optimization/39233
1454 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1455 from converting them to a generic type.
1457 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1459 PR tree-optimization/39260
1460 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1461 contains a condition with a real type.
1462 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1464 2009-02-23 Jason Merrill <jason@redhat.com>
1466 PR c++/38880
1467 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1468 narrowing_initializer_constant_valid_p.
1469 (narrowing_initializer_constant_valid_p): Don't return
1470 null_pointer_node for adding a pointer to itself.
1472 2009-02-23 Jan Hubicka <jh@suse.cz>
1474 PR c/12245
1475 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1476 resizing.
1478 2009-02-23 Jan Hubicka <jh@suse.cz>
1480 PR tree-optimization/37709
1481 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1482 * tree.h (block_ultimate_origin): Declare.
1483 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1484 * tree-ssa-live.c (remove_unused_scope_block_p):
1485 Eliminate blocks containig no instructions nor live variables nor
1486 nested blocks.
1487 (dump_scope_block): New function.
1488 (remove_unused_locals): Enable removal of dead blocks by default;
1489 enable dumping at TDF_DETAILS.
1491 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1493 * config/i386/i386.c (classify_argument): Don't allow COImode
1494 and OImode.
1495 (function_arg_advance_32): Don't allow OImode.
1496 (function_arg_32): Likewise.
1497 (function_value_32): Likewise.
1498 (return_in_memory_32): Likewise.
1499 (function_arg_64): Remove OImode comment.
1501 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1503 PR target/39261
1504 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1505 ix86_expand_vector_set for V4DImode in 64bit mode only.
1506 (ix86_expand_vector_init_one_var): Likewise.
1508 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1510 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1512 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1514 PR bootstrap/39257
1515 * loop-iv.c: Revert last change.
1516 * emit-rtl.c: Likewise.
1518 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1520 PR target/39256
1521 * config/i386/i386.c (type_natural_mode): Remove an extra
1522 space in the warning message.
1523 (function_value_32): Handle 32-byte vector modes.
1524 (return_in_memory_32): Likewise.
1526 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1528 * loop-iv.c (truncate_value): New function.
1529 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1530 of lowpart_subreg.
1531 (lowpart_subreg): Move to...
1532 * emit-rtl.c: ...here.
1534 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1536 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1537 accidental and undocumented change at revision 140860.
1539 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1541 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1542 take gimple_seq * arguments.
1543 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1544 types_compatible_p langhook.
1546 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1547 Joseph Myers <joseph@codesourcery.com>
1549 * config/arm/arm.c (arm_builtin_va_list): New function.
1550 (arm_expand_builtin_va_start): Likewise.
1551 (arm_gimplify_va_arg_expr): Likewise.
1552 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1553 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1554 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1555 (va_list_type): New variable.
1556 (arm_mangle_type): Mangle va_list_type appropriately.
1558 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1560 PR middle-end/39157
1561 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1562 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1563 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1564 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1565 parameter to 1000 for -O1 by default.
1566 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1567 parameter.
1568 * loop-invariant.c: Include params.h.
1569 (move_loop_invariants): Don't call move_single_loop_invariants on
1570 very large loops.
1572 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1574 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1575 offset when calculating bounds for indexing stack_usage_map. Fixes
1576 a buffer overflow with certain target setups.
1578 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1580 PR target/39240
1581 * calls.c (expand_call): Clear try_tail_call if caller and callee
1582 disagree in promotion of function return value.
1584 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1586 PR target/39175
1587 * c-common.c (c_determine_visibility): If visibility changed and
1588 DECL_RTL has been already set, call make_decl_rtl to update symbol
1589 flags.
1591 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1593 PR c++/39188
1594 * varasm.c (assemble_variable): Don't check DECL_NAME when
1595 globalizing a variable.
1597 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1599 PR c/38483
1600 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1601 expression before any __builtin_trap call.
1602 * c-typeck.c (build_function_call): Convert and check function
1603 arguments before generating a call to a trap. Evaluate the
1604 function arguments before the trap.
1606 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1608 PR target/39228
1609 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1610 (UNSPEC_FXAM_MEM): New unspec.
1611 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1612 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1613 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1615 2009-02-19 Richard Guenther <rguenther@suse.de>
1617 PR tree-optimization/39207
1618 PR tree-optimization/39074
1619 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1620 storedanything_tree): New.
1621 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1622 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1623 (build_succ_graph): Add edges from STOREDANYTHING to all
1624 non-direct nodes.
1625 (init_base_vars): Initialize STOREDANYTHING.
1626 (compute_points_to_sets): Free substitution info after
1627 building the succ graph.
1628 (ipa_pta_execute): Likewise.
1630 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1631 field.
1632 (do_ds_constraint): Do not add to special var or non-pointer
1633 field solutions.
1634 (type_could_have_pointers): Split out from ...
1635 (could_have_pointers): ... here. For arrays use the element type.
1636 (create_variable_info_for): Initialize may_have_pointers.
1637 (new_var_info): Likewise.
1638 (handle_lhs_call): Make the HEAP variable unknown-sized.
1639 (intra_create_variable_infos): Use a type with pointers for
1640 PARM_NOALIAS, make it unknown-sized.
1642 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1644 PR target/39224
1645 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1647 2009-02-18 Jason Merrill <jason@redhat.com>
1649 PR target/39179
1650 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1651 value if DECL_EXTERNAL.
1652 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1653 * target.h (gcc_target::binds_local_p): Clarify "module".
1654 * tree.h (TREE_PUBLIC): Clarify "module".
1656 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1658 PR target/38891
1659 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1660 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1662 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1664 PR target/39082
1665 * c.opt (Wabi): Support C and ObjC.
1666 (Wpsabi): New.
1668 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1670 * config/i386/i386.c (classify_argument): Warn once about the ABI
1671 change when passing union with long double.
1673 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1675 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1677 PR c/35447
1678 * c-parser.c (c_parser_compound_statement): Always enter and leave
1679 a scope.
1681 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1683 PR target/34587
1684 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1686 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1688 PR tree-optimization/36922
1689 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1690 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1691 Likewise.
1693 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1695 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1696 to 0 for EABI64.
1698 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1700 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1702 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1704 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1705 tree sharing.
1707 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1708 Richard Sandiford <rdsandiford@googlemail.com>
1710 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1711 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1712 (loongson_biadd): ...this.
1714 2009-02-17 Richard Guenther <rguenther@suse.de>
1716 PR tree-optimization/39202
1717 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1718 a var make sure to follow existing collapses.
1720 2009-02-17 Richard Guenther <rguenther@suse.de>
1722 PR middle-end/39214
1723 * langhooks.c (lhd_print_error_function): Check for NULL block.
1725 2009-02-17 Richard Guenther <rguenther@suse.de>
1727 PR tree-optimization/39204
1728 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1729 of the PHI arg.
1731 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1733 * config/soft-fp/double.h: Update from glibc CVS.
1735 2009-02-17 Richard Guenther <rguenther@suse.de>
1737 PR tree-optimization/39207
1738 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1739 strict-aliasing warnings for pointers pointing to NULL.
1741 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1743 PR c/35446
1744 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1745 skipping until next close brace.
1747 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1749 PR target/37049
1750 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1751 to function argument boundary.
1753 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1755 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1756 in the lea_add. Reload eventually constraints it properly.
1757 * config/picochip/constraints.md : Remove the target constraint
1758 "b", since it is not needed anymore.
1760 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1762 * gthr-dce.h: Uglify function parameter and local variable names.
1763 * gthr-gnat.h: Likewise.
1764 * gthr-mipssde.h: Likewise.
1765 * gthr-nks.h: Likewise.
1766 * gthr-posix95.h: Likewise.
1767 * gthr-posix.h: Likewise.
1768 * gthr-rtems.h: Likewise.
1769 * gthr-single.h: Likewise.
1770 * gthr-solaris.h: Likewise.
1771 * gthr-tpf.h: Likewise.
1772 * gthr-vxworks.h: Likewise.
1773 * gthr-win32.h: Likewise.
1775 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1777 PR target/39196
1778 * config/i386/i386.md: Restrict the new peephole2 to move
1779 between MMX/SSE registers.
1781 2009-02-15 Richard Guenther <rguenther@suse.de>
1783 Revert
1784 2009-02-13 Richard Guenther <rguenther@suse.de>
1786 * configure.ac: Enable LFS.
1787 * configure: Re-generate.
1788 * config.in: Likewise.
1790 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1792 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1793 spu_srqwbyte, spu_srqwbytebc): Define.
1794 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1795 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1796 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1797 "shrqby_<mode>"): New insn-and-split patterns.
1798 * config/spu/spu.c (expand_builtin_args): Determine and return
1799 number of operands using spu_builtin_description data.
1800 (spu_expand_builtin_1): Use it.
1802 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1804 PR target/38056
1805 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1806 TARGET_CONST_GP.
1808 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1810 PR target/39149
1811 * config/i386/i386.c (override_options): Correct warning
1812 messages for -malign-loops, -malign-jumps and -malign-functions.
1814 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1816 PR target/39152
1817 * config/i386/i386.md: Restrict the new peephole2 to move
1818 between the general purpose registers.
1820 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1822 PR target/39162
1823 * config/i386/i386.c (type_natural_mode): Add a new argument.
1824 Return the original mode and warn ABI change if vector size is 32byte.
1825 (function_arg_advance): Updated.
1826 (function_arg): Likewise.
1827 (ix86_function_value): Likewise.
1828 (ix86_return_in_memory): Likewise.
1829 (ix86_sol10_return_in_memory): Likewise.
1830 (ix86_gimplify_va_arg): Likewise.
1831 (function_arg_32): Don't warn ABX ABI change here.
1832 (function_arg_64): Likewise.
1834 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1836 * loop-iv.c (implies_p): In the final case, test that operands 0
1837 of the two comparisons match.
1839 * config/bfin/bfin.c (find_prev_insn_start): New function.
1840 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1841 (find_next_insn_start): Move.
1843 2009-02-13 Richard Guenther <rguenther@suse.de>
1845 * configure.ac: Enable LFS.
1846 * configure: Re-generate.
1847 * config.in: Likewise.
1849 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1851 PR c/35444
1852 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1853 sizes on syntax error after some arguments have been parsed.
1855 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1857 * doc/invoke.texi (-fira): Remove.
1859 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1861 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1862 * recog.c: Likewise.
1863 * rtl.h: Likewise.
1865 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1867 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1868 (umul_ppmm): Likewise.
1869 (count_leading_zeros): Likewise.
1870 (count_trailing_zeros): Likewise.
1871 (UMUL_TIME): Likewise.
1873 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1875 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1876 soft-fp/t-softfp to tmake_file.
1878 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1879 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1880 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1881 IA64_BUILTIN_INFQ]: New.
1882 (ia64_init_builtins): Initialize __builtin_infq,
1883 __builtin_fabsq and __builtin_copysignq if not HPUX.
1884 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1885 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1887 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1888 SHARED is defined.
1889 (__fixtfti): Likewise.
1890 (__fixunstfti): Likewise.
1891 (__floattitf): Likewise.
1893 * config/ia64/libgcc-glibc.ver: New.
1894 * config/ia64/t-fprules-softfp: Likewise.
1895 * config/ia64/sfp-machine.h: Likewise.
1897 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1898 (LIBGCC2_TF_CEXT): Likewise.
1899 (TF_SIZE): Likewise.
1900 (TARGET_INIT_LIBFUNCS): Likewise.
1902 * config/ia64/t-glibc (SHLINB_MAPFILES):
1903 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1905 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1907 * config/i386/i386.c (construct_container): Rewrite processing
1908 BLKmode with X86_64_SSE_CLASS.
1910 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1912 PR target/39152
1913 * config/i386/i386.md: Replace simplify_replace_rtx with
1914 replace_rtx in the new peephole2.
1916 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1918 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1919 loop unrolling do not happen at -O2.
1921 2009-02-12 Michael Matz <matz@suse.de>
1923 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1925 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1927 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1928 for -g3.
1930 2009-02-12 Ben Elliston <bje@au.ibm.com>
1932 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1933 patterns when updating the back chain. Missed in the 2009-02-10
1934 change.
1936 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1938 * doc/extend.texi (Decimal Floating Types): Update identifier of
1939 draft TR and list of missing support.
1941 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1943 PR middle-end/39154
1944 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1945 bit to variable length decl's flags, add it also to its
1946 pointer replacement variable.
1948 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1949 Jakub Jelinek <jakub@redhat.com>
1951 PR target/39118
1952 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1953 (memory_blockage): New expander.
1954 (*memory_blockage): New insn pattern.
1955 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1956 instead of general blockage at the end of function prologue when
1957 frame pointer is used to access red zone area. Do not emit blockage
1958 when profiling, it is emitted in generic code.
1959 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1960 function epilogue when frame pointer is used to access red zone area.
1962 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1964 PR target/38824
1965 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1966 by arithmetic with memory operands.
1967 * config/i386/predicates.md (commutative_operator): New.
1969 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1971 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1972 bulleted lists.
1974 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1976 * alias.h (record_alias_subset): Declare.
1977 * alias.c (record_alias_subset): Make global.
1979 2009-02-10 Nick Clifton <nickc@redhat.com>
1981 * tree-parloops.c: Change license to GPLv3.
1982 * ipa-struct-reorg.c: Change license to GPLv3.
1983 * ipa-struct-reorg.h: Change license to GPLv3.
1985 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1987 PR c/39084
1988 * c-decl.c (start_struct): Return NULL on error.
1990 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1992 PR middle-end/39124
1993 * cfgloopmanip.c (remove_path): Call remove_bbs after
1994 cancel_loop_tree, not before it.
1996 PR target/39139
1997 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1998 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1999 VAR_DECLs were seen.
2000 * tree-ssa-live.c (remove_unused_locals): Recompute
2001 cfun->has_local_explicit_reg_vars.
2002 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2003 copies or clearings if cfun->has_local_explicit_reg_vars.
2005 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2007 PR target/39118
2008 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2009 of function prologue when frame pointer is used to access
2010 red zone area.
2012 2009-02-10 Richard Guenther <rguenther@suse.de>
2014 PR middle-end/39127
2015 * gimplify.c (gimple_regimplify_operands): Always look if
2016 we need to create a temporary.
2018 2009-02-10 Richard Guenther <rguenther@suse.de>
2020 PR tree-optimization/39132
2021 * tree-loop-distribution.c (todo): New global var.
2022 (generate_memset_zero): Trigger TODO_rebuild_alias.
2023 (tree_loop_distribution): Return todo.
2025 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2027 PR target/39119
2028 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2029 (x86_64_reg_class_name): Removed.
2030 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2031 first one isn't X86_64_SSE_CLASS or any other ones aren't
2032 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2033 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2034 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2035 and 3 X86_64_SSEUP_CLASS.
2036 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2037 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2039 2009-02-10 Ben Elliston <bje@au.ibm.com>
2041 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2042 form instruction to update the stack back chain word, even if the
2043 user has disabled the generation of update instructions.
2044 (movdi_<mode>_update_stack): New.
2045 (movsi_update_stack): Likewise.
2046 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2047 always use an update form instruction to update the stack back
2048 chain word.
2050 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2052 PR middle-end/38953
2053 * graphite.c (if_region_set_false_region): After moving a region in
2054 the false branch of a condition, remove the empty dummy basic block.
2055 (gloog): Remove wrong fix for PR38953.
2057 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2059 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2060 generation due to implicit sign extension.
2062 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2064 PR middle-end/38981
2065 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2066 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2068 2009-02-09 Richard Guenther <rguenther@suse.de>
2070 PR middle-end/35202
2071 * convert.c (convert_to_real): Disable (float)fn((double)x)
2072 to fnf(x) conversion if errno differences may occur and
2073 -fmath-errno is set.
2075 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2077 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2078 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2079 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2081 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2083 PR c/35434
2084 * c-common.c (handle_alias_attribute): Disallow attribute for
2085 anything not a FUNCTION_DECL or VAR_DECL.
2087 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2089 PR c/39035
2090 * real.c (do_compare): Special-case compare of zero against
2091 decimal float value.
2093 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2095 PR c/36432
2096 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2097 as indicating flexible array members unless the field itself is
2098 being declarared as the incomplete array.
2100 2009-02-06 Jan Hubicka <jh@suse.cz>
2102 PR tree-optimization/38844
2103 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2104 is already inlined.
2106 2009-02-06 Richard Guenther <rguenther@suse.de>
2108 PR middle-end/38977
2109 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2110 fork because we may expand it as __gcov_fork.
2112 2009-02-06 Nick Clifton <nickc@redhat.com>
2114 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2116 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2118 PR tree-optimization/35659
2119 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2120 vn_phi_eq): Shortcut if hashcode does not match.
2121 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2122 NULL operands.
2123 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2124 and avoid iterative_hash_expr.
2125 (FOR_EACH_VALUE_ID_IN_SET): New.
2126 (value_id_compare): Remove.
2127 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2128 sort expressions by value id.
2130 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2132 PR target/38991
2133 * config/sh/predicates.md (general_movsrc_operand): Don't check
2134 the subreg of system registers here.
2136 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2138 PR c++/39106
2139 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2140 on the copied decl.
2142 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2144 PR rtl-optimization/39110
2145 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2146 addresses, not aligned ones.
2148 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2149 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/39100
2152 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2153 comment says and add edges.
2155 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2157 PR c/35435
2158 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2159 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2161 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2163 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2164 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2165 register_bb_in_sese, new_sese, free_sese): Moved.
2166 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2167 outermost_loop_in_scop, build_scop_iteration_domain,
2168 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2169 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2170 Use loop_in_sese_p instead of loop_in_scop_p.
2171 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2172 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2173 (scopdet_basic_block_info): Fix bug in scop detection.
2174 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2175 eq_loop_to_cloog_loop): Remove.
2176 (nb_loops_around_loop_in_scop, nb_loop
2177 ref_nb_loops): Moved here...
2178 * graphite.h (ref_nb_loops): ... from here.
2179 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2180 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2181 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2182 * testsuite/gcc.dg/graphite/scop-19.c: New
2184 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2185 Hans-Peter Nilsson <hp@axis.com>
2187 PR rtl-optimization/37889
2188 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2189 Move offset handling from PLUS to before the switch. Use new
2190 arguments when considering SYMBOL_REFs too.
2191 (rtx_addr_can_trap_p): Pass dummy offset and size.
2192 (enum may_trap_p_flags): Remove.
2193 (may_trap_p_1): Pass size from MEM_SIZE.
2195 PR rtl-optimization/38921
2196 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2197 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2198 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2199 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2201 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2203 AVX Programming Reference (January, 2009)
2204 * config/i386/sse.md (*vpclmulqdq): New.
2206 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2208 PR tree-optimization/38977
2209 PR gcov-profile/38292
2210 * calls.c (special_function_p): Disregard __builtin_ prefix.
2212 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2214 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2215 non-indexable addresses even before reload.
2217 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2219 PR c/29129
2220 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2221 as having variable size. Do not give an error for unnamed
2222 parameters with [*] declarators. Give a warning for type names
2223 with [*] declarators and mark them as variable size.
2224 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2225 for sizeof applied to [*] type names.
2227 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2229 PR C++/36607
2230 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2232 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2234 * gcc.c (process_command): Update copyright notice dates.
2235 * gcov.c (print_version): Likewise.
2236 * gcov-dump.c (print_version): Likewise.
2237 * mips-tfile.c (main): Likewise.
2238 * mips-tdump.c (main): Likewise.
2240 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2242 PR c/35433
2243 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2244 for composite type involving a zero-length array type.
2246 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2248 PR target/35318
2249 * function.c (match_asm_constraints_1): Skip over
2250 initial optional % in the constraint.
2252 PR inline-asm/39059
2253 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2254 supported, don't accept FIXED_CSTs.
2255 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2256 and _Sat is used without _Fract/_Accum. Set specs->type to
2257 integer_type_node for cts_fract/cts_accum if fixed point is not
2258 supported.
2260 2009-02-02 Catherine Moore <clm@codesourcery.com>
2262 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2264 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2266 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2267 (ABI_HAS_64BIT_SYMBOLS): Use it.
2268 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2270 2009-02-02 Paul Brook <paul@codesourcery.com>
2272 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2274 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2276 PR inline-asm/39058
2277 * recog.h (asm_operand_ok): Add constraints argument.
2278 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2279 recurse on matching constraint.
2280 (check_asm_operands): Pass constraints as 3rd argument to
2281 asm_operand_ok. Don't look up matching constraint here.
2282 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2283 to asm_operand_ok.
2285 2009-02-02 Ben Elliston <bje@au.ibm.com>
2287 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2288 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2290 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2292 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2293 information. Remove some obsolete information. Reorganize.
2295 * config/pa/fptr.c: Revert license to GPL 2.
2296 * config/pa/milli64.S: Likewise.
2298 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2300 PR target/38904
2301 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2302 LIBRARY name in, instead of hard-coding it.
2303 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2304 extra target make frag to tmake_files according to EH model.
2305 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2306 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2307 frags that define makefile variable EH_MODEL appropriately.
2308 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2309 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2310 to "-sjlj" according to type of EH configured.
2311 (LIBGCC_SONAME): Concatenate it to shared library base name.
2312 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2313 to "_sjlj" according to type of EH configured.
2314 (LIBGCC_SONAME): Concatenate it to shared library base name.
2315 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2316 (SHLIB_LINK): Add missing semicolon to if-else construct.
2317 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2318 string value of "pe_dll" command-line option.
2319 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2320 (SHLIB_SONAME): Use it when overriding t-cygming default.
2321 (SHLIB_IMPLIB): Override t-cygming default.
2322 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2323 string value of "pe_dll" command-line option.
2325 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2327 PR target/38952
2328 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2329 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2331 2009-01-31 Richard Guenther <rguenther@suse.de>
2333 PR tree-optimization/38937
2334 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2335 computing the transitive closure.
2337 2009-01-30 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/39041
2340 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2341 Propagate variable indices only if the types match for this stmt.
2343 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2345 PR target/39013
2346 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2347 inline but never defined.
2349 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2351 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2352 (*insv_h_di_reg_extimm): New insn.
2353 (*insv_l<mode>_reg_extimm): New insn.
2355 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2357 * config/picochip/picochip.c (flag_conserve_stack): set
2358 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2359 fconserve-stack. Reduce call-overhead used by inliner.
2361 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2363 PR/38157
2364 * common.opt (flag_conserve_stack): Initialised to zero.
2366 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2368 PR/39002
2369 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2370 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2371 method.
2373 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2375 * ira-color.c (allocno_reload_assign): Update comments.
2376 * regmove.c (regmove_optimize): Likewise.
2378 * ra.h: Removed.
2380 2009-01-29 Robert Millan <rmh@aybabtu.com>
2382 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2383 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2384 `MD_UNWIND_SUPPORT'.
2385 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2387 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2389 PR tree-optimization/39007
2390 * tree-loop-distribution.c (generate_builtin): Use
2391 recompute_dominator to compute the immediate dominator of the
2392 basic block just after the loop.
2394 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2396 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2397 (ASM_OUTPUT_DWARF_PCREL): Define.
2399 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2401 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2402 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2403 global. Modify entries about regmove and IRA.
2405 * ra-conflict.c: Remove the file.
2407 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2409 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2410 (pass_regclass_init): Rename to pass_reginfo_init.
2412 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2414 * toplev.h (flag_ira): Remove.
2416 * caller-save.c (setup_save_areas): Remove flag_ira.
2418 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2420 * global.c: Remove the file.
2422 * opts.c: (decode_options): Remove flag_ira.
2424 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2426 * regmove.c: Modify file description.
2427 (find_use_as_address, try_auto_increment): Define them only if
2428 AUTO_INC_DEC is defined.
2429 (replacement_quality, replace_in_call_usage, fixup_match_1,
2430 stable_and_no_regs_but_for_p): Remove.
2431 (reg_set_in_bb): Make it static.
2432 (regmove_optimize): Remove flag_ira and code which worked for
2433 !flag_ira.
2435 * local-alloc.c: Remove the file.
2437 * common.opt (fira): Remove.
2439 * ira.c: Include except.h.
2440 (eliminable_regset): Move from global.c.
2441 (mark_elimination): Ditto. Remove flag_ira.
2442 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2443 equiv_mem_modified, validate_equiv_mem_from_store,
2444 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2445 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2446 no_equiv, recorded_label_ref): Move from local-alloc.c.
2447 (update_equiv_regs): Ditto. Make it static.
2448 (print_insn_chain, print_insn_chains): Move it from global.c.
2449 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2450 (build_insn_chain): Ditto. Make it static.
2451 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2452 Rename to init_live_subregs.
2453 (gate_ira): Remove flag_ira.
2455 * regclass.c: Rename reginfo.c. Change file description.
2456 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2457 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2458 (init_reg_sets_1): Remove code for evaluation of
2459 reg_class_superclasses and losing_caller_save_reg_set.
2460 (init_regs): Remove init_reg_autoinc.
2461 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2462 ok_for_base_p_nonstrict): Remove.
2463 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2464 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2465 corresponding entries.
2466 (dump_regclass, record_operand_costs, scan_one_insn,
2467 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2468 record_address_regs, auto_inc_dec_reg_p): Remove.
2469 (gt-regclass.h): Rename to gt-reginfo.h.
2471 * rtl.h (dump_global_regs, retry_global_alloc,
2472 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2474 * Makefile.in (RA_H): Remove.
2475 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2476 Rename regclass.o to reginfo.o.
2477 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2478 gt-reginfo.h.
2479 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2480 (GTFILES): Rename regclass.c to reginfo.c.
2482 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2483 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2485 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2486 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2487 Remove flag_ira.
2488 (finish_spills): Ditto. Remove code for !flag_ira.
2490 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2492 PR middle-end/35854
2493 * doc/invoke.texi (rtl debug options): Complete rewrite.
2494 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2495 to auto_inc_dec".
2496 * mode-switching.c (pass_mode_switching): Rename pass from
2497 "mode-sw" to "mode_sw".
2498 * except.c (pass_convert_to_eh_ranges): Rename pass from
2499 "eh-ranges" to "eh_ranges".
2500 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2501 to "subreg1".
2504 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2505 Alexander Monakov <amonakov@ispras.ru>
2507 PR middle-end/38857
2508 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2509 register.
2510 (move_exprs_to_boundary): Change return type and pass through
2511 should_move from move_op. Relax assert. Update usage ...
2512 (schedule_expr_on_boundary): ... here. Use should_move instead of
2513 cant_move.
2514 (move_op_orig_expr_found): Indicate that insn was disconnected from
2515 stream.
2516 (code_motion_process_successors): Do not call after_merge_succs
2517 callback if original expression was not found when traversing any of
2518 the branches.
2519 (code_motion_path_driver): Change return type. Update prototype.
2520 (move_op): Update comment. Add a new parameter (should_move). Update
2521 prototype. Set *should_move based on indication provided by
2522 move_op_orig_expr_found.
2524 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2526 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2527 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2528 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2529 * config/rs6000/rs6000.c (rs6000_override_options): Default
2530 avoid-indexed-addresses on for Power6, off for everything else.
2531 (avoiding_indexed_address_p): New function.
2532 (rs6000_legitimize_address): Use it.
2533 (rs6000_legitimate_address): Likewise.
2534 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2536 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2538 PR tree-optimization/38997
2539 * tree-loop-distribution.c (generate_memset_zero): Use
2540 POINTER_PLUS_EXPR for a pointer addition.
2542 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2544 * config/s390/s390.md (bswap<mode>2): New pattern added.
2546 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2548 * config/s390/s390.md (*tls_load_31): Added type attribute.
2550 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2552 * config/s390/s390.md: Fix a few comments.
2554 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2556 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2557 (*tm<mode>_full): Fixed z10prop attribute.
2558 (*tst<mode>_extimm): Fixed z10prop attribute.
2559 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2560 (*tstqiCCT_cconly): Fixed z10prop attribute.
2561 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2562 (*movsi_larl): Fixed z10prop attribute.
2563 (*movsi_zarch): Fixed z10prop attribute.
2564 (*movsi_eas): Fixed z10prop attribute.
2565 (*movhi): Fixed z10prop attribute.
2566 (*movqi): Fixed z10prop attribute.
2567 (*movstrictqi): Fixed z10prop attribute.
2568 (*mov<mode>): Fixed z10prop attribute.
2569 (*movcc): Fixed z10prop attribute.
2570 (*sethighpartdi_64): Fixed z10prop attribute.
2571 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2572 (*negdi2_sign_cc): Fixed z10prop attribute.
2573 (*negdi2_sign): Fixed z10prop attribute.
2574 (*absdi2_sign_cc): Fixed z10prop attribute.
2575 (*absdi2_sign): Fixed z10prop attribute.
2576 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2577 (*negabsdi2_sign): Fixed z10prop attribute.
2578 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2579 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2580 (doloop_si64): Fixed z10prop attribute.
2581 (doloop_si31): Fixed z10prop attribute.
2582 (doloop_long): Fixed z10prop attribute.
2583 (indirect_jump): Fixed z10prop attribute.
2584 (nop): Fixed z10prop attribute.
2585 (main_base_64): Fixed z10prop attribute.
2586 (reload_base_64): Fixed z10prop attribute.
2588 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2590 PR rtl-optimization/38740
2591 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2592 if !optimize.
2593 * config/mips/mips.c (mips_reorg): Likewise.
2595 2009-01-28 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/38926
2598 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2599 with the correct value id to a value.
2600 (do_regular_insertion): Use the value number of edoubleprime
2601 for the value number of the expr.
2603 Revert
2604 2008-08-21 Richard Guenther <rguenther@suse.de>
2606 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2607 a PHI ask VN if it is already available.
2608 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2609 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2611 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2613 PR middle-end/38934
2614 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2615 set to varying whenever max has TREE_OVERFLOW set, similarly
2616 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2618 2009-01-28 Richard Guenther <rguenther@suse.de>
2620 PR middle-end/38908
2621 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2622 uninitialized aggregate uses in call arguments.
2624 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2626 PR tree-optimization/38984
2627 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2628 the nothing_id variable if -fno-delete-null-pointer-checks.
2630 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2632 PR target/38988
2633 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2634 (set_got_offset_rex64): Ditto.
2636 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2638 PR target/38941
2639 * doc/extend.texi: Improve local variable with asm reg.
2641 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2643 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2644 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2645 was not supplied then set warn_packed_bitfield_compat to the
2646 default value of 1.
2647 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2648 against 1.
2650 2009-01-27 Richard Guenther <rguenther@suse.de>
2652 PR tree-optimization/38503
2653 * cfgexpand.c (expand_gimple_basic_block): Ignore
2654 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2655 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2656 variables that cannot have TBAA applied.
2657 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2658 statements.
2660 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2662 PR middle-end/38969
2663 * calls.c (initialize_argument_information): Do not wrap complex
2664 arguments in SAVE_EXPR.
2666 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2668 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2669 (INSTALL_LIBGCC): Revert typo commit.
2671 2009-01-26 Richard Guenther <rguenther@suse.de>
2673 PR tree-optimization/38745
2674 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2675 from special handling.
2677 2009-01-26 Richard Guenther <rguenther@suse.de>
2679 PR tree-optimization/38745
2680 * tree-ssa.c (execute_update_addresses_taken): Do not include
2681 variables that cannot possibly be a register in not_reg_needs.
2682 Do not clear TREE_ADDRESSABLE on vars that may not become
2683 registers.
2684 * tree-ssa.c (update_alias_info_1): Include those in the set
2685 of addressable vars.
2687 2009-01-26 Richard Guenther <rguenther@suse.de>
2689 PR middle-end/38851
2690 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2691 * tree-ssa-dse.c: Include langhooks.h
2692 (execute_simple_dse): Remove stores with zero size.
2694 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2696 PR c/38957
2697 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2698 as PLUS_EXPR.
2700 2009-01-24 Julian Brown <julian@codesourcery.com>
2702 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2703 config/arm/linux-atomic.c.
2704 * config/arm/linux-atomic.c: New.
2706 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2708 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2709 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2710 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2712 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2714 PR c/38938
2715 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2716 properly.
2718 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2720 PR tree-optimization/38953
2721 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2722 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2723 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2724 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2725 changed the CFG.
2727 2009-01-24 Paul Brook <paul@codesourcery.com>
2729 * config/arm/neon.md (neon_type): Move to arm.md.
2730 (neon_mov<VSTRUCT>): Add neon_type attribute.
2731 * config/arm/arm.md (neon_type): Move to here.
2732 (conds): Add "unconditioal" and use as default for NEON insns.
2734 2009-01-24 Ben Elliston <bje@au.ibm.com>
2736 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2737 void *' warning from -Wc++-compat.
2738 * Makefile.in (dominance.o-warn): Remove.
2740 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2742 PR tree-optimization/38932
2743 * fold-const.c (fold_unary_ignore_overflow): New.
2744 * tree.h (fold_unary_ignore_overflow): Declare.
2745 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2746 * tree-ssa-sccvn.c (visit_reference_op_load,
2747 simplify_unary_expression): Likewise.
2749 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2751 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2752 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2753 regardless of their type.
2754 * c-common.c (handle_packed_attribute): Don't ignore packed on
2755 bitfields.
2756 * c.opt (Wpacked-bitfield-compat): New warning option.
2757 * stor-layout.c (place_field): Warn if offset of a field changed.
2758 * doc/extend.texi (packed): Mention the ABI change.
2759 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2760 (Warning Options): Add it to the list.
2762 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2764 * c-opts.c (c_common_post_options): Fix a typo in comments.
2766 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2768 PR middle-end/38615
2769 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2770 variables to static.
2771 * doc/invoke.texi (-fmerge-all-constants): Update description.
2773 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2775 PR target/38931
2776 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2777 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2779 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2781 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2782 a word boundary.
2783 (LOCAL_ALIGNMENT): Similarly.
2785 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2786 Joseph Myers <joseph@codesourcery.com>
2788 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2789 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2790 * config/arm/arm-tune.md: Regenerate.
2791 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2792 -march=iwmmxt2.
2794 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2796 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2797 version number to five.
2799 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2801 PR c++/38930
2802 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2803 * c-common.c (set_underlying_type): Likewise.
2804 (is_typedef_decl ): Likewise
2805 * tree.h: Likewise
2806 (set_underlying_type): Likewise.
2807 (is_typedef_type): Likewise.
2809 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2811 PR middle-end/38587
2812 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2813 crossing setjmps.
2815 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2817 PR bootstrap/37660
2818 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2819 (LIBGCC_SPEC): Don't define.
2820 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2822 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2824 PR rtl-optimization/38879
2825 * alias.c (base_alias_check): Unaligned access via AND address can
2826 alias all surrounding object types except those with sizes equal
2827 or wider than the size of unaligned access.
2829 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2831 PR c++/26693
2832 * c-decl.c: (clone_underlying_type): Move this ...
2833 * c-common.c (set_underlying_type): ... here.
2834 Also, make sure the function properly sets TYPE_STUB_DECL() on
2835 the newly created typedef variant type.
2836 (is_typedef_decl ): New entry point.
2837 * tree.h: Added a new member member_types_needing_access_check to
2838 struct tree_decl_non_common.
2839 (set_underlying_type): New entry point.
2840 (is_typedef_type): Likewise.
2842 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2844 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2845 Check whether two instructions have memory references that
2846 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2847 are helper functions for traversing.
2848 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2849 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2850 not to draw dependency edge for instructions with non-conflicting
2851 alias sets.
2853 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2855 PR other/38758
2856 * longlong.h: Update copyright years. Use soft-fp license notice.
2857 Sync __clz_tab declaration with glibc.
2859 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2861 PR target/30687
2862 * doc/extend.texi (syscall_linkage): New.
2863 (version_id): Modify.
2865 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2866 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/38747
2869 PR tree-optimization/38748
2870 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2871 conversion if the base address is an indirect reference and the
2872 aliasing sets could cause issues.
2874 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2876 * common.opt (fgraphite, fgraphite-identity): Add comment for
2877 explaining why these options are not documented.
2879 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2881 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2882 gimple_call_lhs is NULL.
2884 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2886 PR target/38868
2887 * emit-rtl.c (adjust_address_1): Make sure memref is never
2888 overwritten.
2890 2009-01-20 Ben Elliston <bje@au.ibm.com>
2892 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2893 const qualifier from arg parameter. Remove unnecessary cast to char *.
2894 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2895 const qualifier from arg 2.
2897 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2899 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2901 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2903 PR c/38869
2904 * rtl.h (reinit_regs): New prototype.
2905 * regclass.c: Include ira.h.
2906 (reinit_regs): New.
2907 * Makefile.in (regclass.o): Add ira.h.
2908 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2910 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2912 PR target/38736
2913 * c-common.c (handle_aligned_attribute): Use
2914 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2915 default alignment value.
2917 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2919 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2920 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2922 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2923 __BIGGEST_ALIGNMENT__.
2925 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2927 2009-01-18 Richard Guenther <rguenther@suse.de>
2929 PR tree-optimization/38819
2930 * tree-flow.h (operation_could_trap_helper_p): Declare.
2931 * tree-eh.c (operation_could_trap_helper_p): Export.
2932 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2933 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2934 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2935 are about to insert a possibly trapping instruction and fail
2936 in this case.
2938 2009-01-18 Andreas Schwab <schwab@suse.de>
2940 * doc/install.texi (Configuration): Remove obsolete paragraph
2941 about use of --with-gnu-ld with --with-gnu-as.
2943 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2945 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2946 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2947 Follow spelling conventions.
2949 2009-01-18 Ben Elliston <bje@au.ibm.com>
2951 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2952 C++ warning about implicit conversion from void * to struct
2953 bitmap_head_def *.
2954 (bitmap_obstack_free): Likewise for bitmap_element *.
2955 * Makefile.in (bitmap.o-warn): Remove.
2957 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2959 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2961 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2962 Tobias Grosser <tobi.grosser@amd.com>
2964 * graphite.c (graphite_trans_scop_block): Do not block single
2965 nested loops.
2967 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2969 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2970 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2971 test with assertion.
2973 2009-01-16 Richard Guenther <rguenther@suse.de>
2975 PR tree-optimization/38835
2976 PR middle-end/36227
2977 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2978 and INT + PTR -> (INT)(PTR p+ INT) folding.
2979 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2981 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2983 PR target/38554
2984 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2985 the subreg from a lowpart subreg if it is also casting the value.
2987 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2988 Tobias Grosser <tobi.grosser@amd.com>
2990 * graphite.c (compare_prefix_loops): New.
2991 (build_scop_canonical_schedules): Rewritten.
2992 (graphite_transform_loops): Move build_scop_canonical_schedules
2993 after build_scop_iteration_domain.
2995 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2996 Tobias Grosser <tobi.grosser@amd.com>
2998 * graphite.c (add_conditions_to_domain): Add the loops to
2999 the dimension of the iteration domain. Do copy the domain
3000 only when it exists.
3001 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3002 (add_conditions_to_constraints): New.
3003 (can_generate_code_stmt, can_generate_code): Removed.
3004 (gloog): Do not call can_generate_code.
3005 (graphite_transform_loops): Call add_conditions_to_constraints
3006 after building the iteration domain.
3008 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3010 PR tree-optimization/38789
3011 * tree-ssa-threadedge.c
3012 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3013 __builtin_constant_p.
3015 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3017 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3018 examined before deleting them.
3020 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3022 * function.c (aggregate_value_p): Correctly extract the function
3023 type from CALL_EXPR_FN lookup.
3025 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3027 * config/picochip/picochip.c (picochip_override_options): Revert
3028 CFI asm flag disable commited previously.
3030 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3031 Tobias Grosser <tobi.grosser@amd.com>
3032 Jan Sjodin <jan.sjodin@amd.com>
3034 * graphite.c (scan_tree_for_params): On substractions negate
3035 all the coefficients of the term.
3036 (clast_to_gcc_expression_red): New. Handle reduction expressions
3037 of more than two operands.
3038 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3039 (get_vdef_before_scop): Handle also the case of default definitions.
3041 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3043 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3044 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3045 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3047 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3048 Joey Ye <joey.ye@intel.com>
3050 PR middle-end/37843
3051 * cfgexpand.c (expand_stack_alignment): Don't update stack
3052 boundary nor check incoming stack boundary here.
3053 (gimple_expand_cfg): Update stack boundary and check incoming
3054 stack boundary here.
3056 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3058 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3060 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3062 PR rtl-optimization/38245
3063 * calls.c (expand_call): Add stack arguments to
3064 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3065 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3066 in regs and partially in memory or BLKmode arguments.
3067 (emit_library_call_value_1): Add stack arguments to
3068 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3069 ACCUMULATE_OUTGOING_ARGS).
3070 * dce.c: Include tm_p.h.
3071 (find_call_stack_args): New function.
3072 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3073 argument.
3074 (mark_insn): Call find_call_stack_args for CALL_Ps.
3075 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3076 forwards. Allocate and free arg_stores bitmap if needed, pass it
3077 down to deletable_insn_p, don't mark stores set in arg_stores
3078 bitmap, clear the bitmap at the beginning of each bb.
3079 * Makefile.in (dce.o): Depend on $(TM_P_H).
3081 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3083 PR target/22599
3084 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3085 to make sure the insn is a conditional test (bug 22599). Reformat a
3086 few long lines.
3088 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3090 PR middle-end/38431
3091 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3092 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3093 (gloog): Do not call cleanup_tree_cfg.
3094 (graphite_transform_loops): Call cleanup_tree_cfg after all
3095 scops have been code generated.
3097 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3098 * doc/gty.texi (Invoking the garbage collector): Added new node
3099 and section documenting ggc_collect.
3101 2009-01-14 Richard Guenther <rguenther@suse.de>
3103 PR tree-optimization/38826
3104 PR middle-end/38477
3105 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3106 initialization notes only if we actually emitted a warning.
3107 (intra_create_variable_infos): Add constraints for a result decl
3108 that is passed by hidden reference.
3109 (build_pred_graph): Mark all related variables non-direct on
3110 address-taking.
3112 2009-01-14 Nick Clifton <nickc@redhat.com>
3114 * ira-conflicts.c: Include addresses.h for the definition of
3115 base_reg_class.
3116 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3117 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3119 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3121 PR target/38811
3122 * Makefile.in (ira-lives.o): Add except.h.
3124 * ira-lives.c: Include except.h.
3125 (process_bb_node_lives): Process can_throw_internal.
3127 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3129 PR rtl-optimization/38774
3130 * combine.c (simplify_set): When undoing cc_use change, don't do
3131 PUT_CODE on the newly created comparison, but instead put back the
3132 old comparison.
3134 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3136 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3137 values. Remove duplicate arm8 entry.
3139 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3141 PR tree-optimization/38786
3142 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3143 the SSA_NAME case of expand_scalar_variables_expr.
3144 Set the type of an expression to the type of its assign statement.
3145 (expand_scalar_variables_expr): Also gather the scalar computation
3146 used to index the memory access. Do not pass loop_p.
3147 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3148 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3149 the gimple_stmt_iterator where it inserts new code.
3150 Do not pass loop_p.
3151 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3152 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3154 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3156 * graphite.h (debug_value): Removed.
3157 * graphite.c (debug_value): Removed.
3159 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3161 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3162 ldrd/strd with two 32-bit instructions.
3164 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3166 * config/arm/arm.c (struct processors): Pass for speed down into
3167 cost helper functions.
3168 (const_ok_for_op): Handle COMPARE and inequality nodes.
3169 (arm_rtx_costs_1): Rewrite.
3170 (arm_size_rtx_costs): Update prototype.
3171 (arm_rtx_costs): Pass speed down to helper functions.
3172 (arm_slowmul_rtx_costs): Rework cost calculations.
3173 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3174 (arm_9e_rtx_costs): Likewise.
3176 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3178 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3179 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3180 (alpha_legitimize_address): Do not split local symbols wider than
3181 UNITS_PER_WORD into HIGH/LO_SUM parts.
3183 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3185 PR bootstrap/38580
3186 * gcc.c (process_command): Replace call to execvp with calls
3187 to pex_one and exit.
3189 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3191 PR target/29141
3192 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3193 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3194 variant for devices with 3-byte PC.
3195 (__tablejump_elpm__) : New.
3197 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3199 PR c/32041
3200 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3201 offsetof member-designator, handle it as `[0].'.
3203 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3205 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3206 function when not using named sections on targets with named sections
3207 if branch distance is less than 262132.
3209 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3211 * combine.c (combine_instructions): Recompute
3212 optimize_this_for_speed_p for each BB in the main combine loop.
3214 2009-01-12 Tomas Bily <tbily@suse.cz>
3216 PR middlend/38385
3217 * tree-loop-distribution.c (prop_phis): New function.
3218 (generate_builtin): Call prop_phis.
3219 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3221 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3223 PR tree-optimization/38807
3224 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3225 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3227 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3229 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3230 subreg of op0 to the original op0.
3232 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3234 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3236 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3238 PR debug/7055
3239 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3240 starting with digits.
3242 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3244 PR target/38695
3245 * config/arm/arm.c (arm_is_long_call_p): Don't call
3246 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3248 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3250 * regrename.c (regrename_optimize): Fix dumping.
3251 (find_oldest_value_reg): Preserve REG_POINTER.
3252 (copy_hardreg_forward_1): Likewise.
3254 2009-01-09 Diego Novillo <dnovillo@google.com>
3256 * gimple.h (struct gimple_statement_base) <uid>: Document
3257 the restrictions on its use.
3258 (gimple_uid): Tidy.
3259 (gimple_set_uid): Tidy.
3261 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3263 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3264 zero guard even if align_bytes != 0 and count is smaller than
3265 size_needed.
3267 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3269 PR rtl-optimization/38495
3270 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3271 (add_range_and_copies_from_move_list): Print all added ranges.
3272 Add ranges to memory optimized destination.
3274 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3276 PR target/38686
3277 PR target/38708
3278 * config/i386/i386.c (override_options): Reject
3279 -mstringop-strategy=rep_8byte with -m32.
3280 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3281 to 1. Do count comparison against epilogue_size_needed at compile
3282 time even when count_exp was constant forced into register. For
3283 size_needed don't jump to epilogue, instead just avoid aligning
3284 and invoke the body algorithm. If need_zero_guard, add zero guard
3285 even if count is non-zero, but smaller than size_needed + number of
3286 bytes that could be stored for alignment.
3287 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3288 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3289 but smaller than size_needed + number of bytes that could be stored
3290 for alignment. Compare size_needed with epilogue_size_needed instead
3291 of desired_align - align, don't adjust size_needed, pass
3292 epilogue_size_needed to the epilogue expanders.
3294 PR c/35742
3295 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3297 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3299 * pa.c (last_address): Change to unsigned.
3300 (update_total_code_bytes): Change argument to unsigned. Don't
3301 check if insn addresses are set.
3302 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3303 addresses are not set.
3304 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3306 2009-01-09 Nick Clifton <nickc@redhat.com>
3308 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3309 DECL_DECLARED_INLINE_P.
3311 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3313 PR middle-end/38347
3314 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3315 GET_MODE (op0) in operand_subword_force calls.
3317 PR middle-end/38771
3318 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3319 fold_convert arg0 operands to TREE_TYPE (op0) first.
3321 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3323 * params.def (ira-max-conflict-table-size): Decrease default value
3324 to 1000.
3326 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3328 PR tree-optimization/37031
3329 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3330 on parameter_set.
3331 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3332 allocate it using gc instead of heap, use VEC_quick_push instead of
3333 VEC_safe_push.
3334 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3335 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3336 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3337 allocated vector from heap allocated.
3338 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3339 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3340 vector only after perfect_loop_nest_depth call.
3342 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3343 Jan Sjodin <jan.sjodin@amd.com>
3345 PR tree-optimization/38559
3346 * graphite.c (debug_value, copy_constraint,
3347 swap_constraint_variables, scale_constraint_variable, ): New.
3348 (get_lower_bound, get_upper_bound): Removed.
3349 (graphite_trans_bb_strip_mine): Clean up this code that works
3350 only for constant number of iterations. Fully copy upper and
3351 lower bound constraints, not only the constant part of them.
3352 * graphite.h (debug_value): Declared.
3354 2009-01-08 Ira Rosen <irar@il.ibm.com>
3356 PR tree-optimization/37194
3357 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3358 Don't add the cost of cost model guard in prologue to scalar
3359 outside cost in case of known number of iterations.
3361 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3362 Alan Modra <amodra@bigpond.net.au>
3364 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3365 non-word-aligned REG+CONST addressing.
3367 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3369 PR target/38706
3370 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3371 free_after_compilation when outputting a thunk.
3372 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3373 Do not call free_after_compilation here.
3375 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3377 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3378 (ix86_valid_target_attribute_inner_p): Ditto.
3380 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3382 PR tree-optimization/38492
3383 PR tree-optimization/38498
3384 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3385 * tree-chrec.h (scev_is_linear_expression): Declared.
3386 * graphite.c (graphite_cannot_represent_loop_niter): New.
3387 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3388 (graphite_loop_normal_form): Use gcc_assert.
3389 (scan_tree_for_params): Use CASE_CONVERT.
3390 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3391 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3392 Use gcc_assert. Discard scops that contain unhandled cases.
3393 (build_scop_conditions): Return a boolean status for unhandled cases.
3394 (strip_mine_profitable_p): Print the loop number, not its depth.
3395 (is_interchange_valid): Pass the depth of the loop nest, don't
3396 recompute it wrongly.
3397 (graphite_trans_bb_block): Same.
3398 (graphite_trans_bb_block): Print tentative of loop blocking.
3399 (graphite_trans_scop_block): Do not print that the loop has been
3400 blocked.
3401 (graphite_transform_loops): Do not handle scops that contain condition
3402 scalar phi nodes.
3404 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3406 AVX Programming Reference (December, 2008)
3407 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3408 (_mm256_stream_pd): Likewise.
3409 (_mm256_stream_ps): Likewise.
3411 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3412 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3413 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3414 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3415 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3416 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3417 (ix86_expand_special_args_builtin): Likewise.
3419 * config/i386/sse.md (AVXMODEDI): New.
3420 (avx_movnt<mode>): Likewise.
3421 (avx_movnt<mode>): Likewise.
3422 (<sse>_movnt<mode>): Remove AVX support.
3423 (sse2_movntv2di): Likewise.
3425 2009-01-07 Richard Guenther <rguenther@suse.de>
3427 PR middle-end/38751
3428 * fold-const.c (extract_muldiv): Remove obsolete comment.
3429 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3430 to PLUS_EXPR canonicalization for the canonicalization.
3432 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3434 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3435 hosted cross-compilers generating less efficient code.
3437 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3439 * function.h (rtl_data): Add a dbr_scheduled_p field.
3440 * reorg.c (dbr_schedule): Set it.
3441 (gate_handle_delay_slots): Check it.
3442 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3443 (mips_reorg): Check flag_delayed_branch instead of
3444 mips_base_delayed_branch.
3445 (mips_override_options): Don't set mips_base_delayed_branch
3446 or flag_delayed_branch.
3448 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3450 PR rtl-optimization/38426.
3451 * ira.c (ira): Set current_function_is_leaf earlier.
3453 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3455 PR rtl-optimization/38722
3456 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3457 too early, only set a flag and modify after last possible
3458 undo_all point.
3460 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3462 PR c/34252
3463 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3464 * real.c (decimal_single_format): Correct values of emin and emax.
3465 (decimal_double_format): Ditto.
3466 (decimal_quad_format): Ditto.
3467 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3468 computation of DECnn_MIN and DECnn_MAX for corrected values of
3469 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3470 __DECnn_MIN__, and adjust its computation for the corrected value
3471 of emin.
3473 2009-01-06 Jan Hubicka <jh@suse.cz>
3475 PR target/38744
3476 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3478 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3480 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3481 Add Robert Clark to the list of testers.
3483 2009-01-06 Jan Hubicka <jh@suse.cz>
3484 Kai Tietz <kai.tietz@onevision.com>
3486 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3487 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3489 2009-01-06 Jan Hubicka <jh@suse.cz>
3490 Kai Tietz <kai.tietz@onevision.com>
3492 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3493 for w64 ABI.
3494 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3495 (ix86_nsaved_regs): Count only general purpose regs.
3496 (ix86_nsaved_sseregs): New.
3497 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3498 to 16 for w64; compute padding and size of sse reg save area.
3499 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3500 general purpose regs.
3501 (ix86_emit_save_sse_regs_using_mov): New.
3502 (ix86_expand_prologue): Save SSE regs if needed.
3503 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3504 (ix86_emit_restore_sse_regs_using_mov): New.
3505 (ix86_expand_epilogue): Save SSE regs if needed.
3507 2009-01-06 Jan Hubicka <jh@suse.cz>
3508 Kai Tietz <kai.tietz@onevision.com>
3510 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3511 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3512 functions when accumulate outgoing args is off.
3514 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3516 PR bootstrap/38742
3517 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3518 before using pseudos_have_intersected_live_ranges_p.
3520 * ira-int.h (ira_assert): Always define.
3522 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3524 AVX Programming Reference (December, 2008)
3525 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3526 (_mm256_permute2_pd): Likewise.
3527 (_mm_permute2_ps): Likewise.
3528 (_mm256_permute2_ps): Likewise.
3529 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3530 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3532 * config/i386/i386.c (ix86_builtins): Remove
3533 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3534 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3535 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3536 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3537 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3538 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3539 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3540 __builtin_ia32_vpermil2ps256.
3541 (ix86_init_mmx_sse_builtins): Updated.
3542 (ix86_expand_args_builtin): Likewise.
3544 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3546 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3547 long absolute calls when generating PA 2.0 code.
3549 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3551 PR rtl-optimization/38583
3552 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3554 * params.def (ira-max-conflict-table-size): New.
3556 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3558 * ira.h (ira_conflicts_p): New external definition.
3560 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3561 table. Report this. Return result of building.
3562 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3563 building conflict table.
3565 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3566 (ira_color): Use ira_conflicts_p.
3568 * global.c: Include ira.h.
3569 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3570 ira_conflicts_p.
3572 * Makefile.in (global.o): Add ira.h.
3574 * ira-build.c (mark_all_loops_for_removal,
3575 propagate_some_info_from_allocno): New.
3576 (remove_unnecessary_allocnos): Call
3577 propagate_some_info_from_allocno.
3578 (remove_low_level_allocnos): New.
3579 (remove_unnecessary_regions): Add parameter. Call
3580 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3581 parameter to remove_unnecessary_regions.
3582 (ira_build): Remove all regions but root if the conflict table was
3583 not built. Update conflict hard regs for allocnos crossing calls.
3585 * ira.c (ira_conflicts_p): New global.
3586 (ira): Define and use ira_conflicts_p.
3588 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3589 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3590 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3592 2009-01-06 Ben Elliston <bje@au.ibm.com>
3594 * gengtype-lex.l (YY_NO_INPUT): Define.
3596 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3598 PR c/34911
3599 * c-common.c (handle_vector_size_attribute): Also reject
3600 BOOLEAN_TYPE types.
3602 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3604 PR tree-optimization/38492
3605 * graphite.c (rename_map_elt, debug_rename_elt,
3606 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3607 rename_map_elt_info, eq_rename_map_elts,
3608 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3609 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3610 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3611 (sese_build_livein_liveouts): New.
3612 (new_sese, free_sese): New.
3613 (new_scop): Call new_sese.
3614 (free_scop): Call free_sese.
3615 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3616 (register_old_new_names): Renamed register_old_and_new_names.
3617 (register_scop_liveout_renames, add_loop_exit_phis,
3618 insert_loop_close_phis, struct igp,
3619 default_liveout_before_guard, add_guard_exit_phis,
3620 insert_guard_phis, copy_renames): New.
3621 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3622 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3623 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3624 (scop_adjust_phis_for_liveouts): New.
3625 (gloog): Call scop_adjust_phis_for_liveouts.
3627 * graphite.h (struct sese): Documented. Added fields liveout,
3628 num_ver and livein.
3629 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3630 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3631 (struct scop): Added field liveout_renames.
3632 (SCOP_LIVEOUT_RENAMES): New.
3634 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3636 PR tree-optimization/38510
3637 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3638 (translate_clast): Call recompute_all_dominators before
3639 graphite_verify.
3640 (gloog): Call recompute_all_dominators before graphite_verify.
3642 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3643 Jan Sjodin <jan.sjodin@amd.com>
3645 PR tree-optimization/38500
3646 * graphite.c (create_sese_edges): Call fix_loop_structure after
3647 splitting blocks.
3649 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3651 * config.gcc: Add m32r*-*-rtems*.
3652 * config/m32r/rtems.h: New file.
3654 2009-01-05 Ben Elliston <bje@au.ibm.com>
3656 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3657 (.po.pox): Likewise.
3658 (po/gcc.pot): Likewise.
3660 2009-01-04 David S. Miller <davem@davemloft.net>
3662 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3663 (STARTING_FRAME_OFFSET): Always set to zero.
3665 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3667 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3668 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3669 fixed-point types, and vectors of the same.
3671 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3673 * config/mips/sync.md (*mb_barrier): Rename to...
3674 (*memory_barrier): ...this.
3676 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3678 * doc/extend.texi (Function Attributes): Move @cindex after @item
3679 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3680 and put in alphabetical order. Fix 'target' name and put in order.
3681 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3682 typos.
3684 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3686 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3687 (memory_barrier): Expand as unspec instead of unspec_volatile.
3688 Remove mem:BLK from insn operands. Use Pmode scratch register.
3689 (*memory_barrier): Define as unspec instead of unspec_volatile.
3690 Use (match_dup 0) as input operand.
3692 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3693 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3694 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3695 scratch register. Remove operand 1.
3696 (*stbar): Define as unspec instead of unspec_volatile.
3697 Use (match_dup 0) as input operand, remove (const_int 8).
3698 (*membar): Define as unspec instead of unspec_volatile.
3699 Use (match_dup 0) as input operand, remove input operand 2.
3701 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3702 (memory_barrier): Expand as unspec instead of unspec_volatile.
3703 Remove mem:BLK from insn operands. Use Pmode scratch register.
3704 (*memory_barrier): Define as unspec instead of unspec_volatile.
3705 Use (match_dup 0) as input operand.
3707 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3708 Remove mem:BLK from insn operands. Use Pmode scratch register.
3709 Set volatile flag on operand 0.
3710 (*memory_barrier): New insn pattern.
3712 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3713 insn operands.
3714 (*memory_barrier): Use (match_dup 0) as input operand.
3716 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3717 Remove mem:BLK from insn operands. Use Pmode scratch register.
3718 Set volatile flag on operand 0.
3719 (*mb_internal): New insn pattern.
3721 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3723 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3725 PR middle-end/38586
3726 * function.c (struct temp_slot): Move to the section of the file
3727 that deals with temp slots. Remove field 'address'.
3728 (temp_slot_address_table): New hash table of address -> temp slot.
3729 (struct temp_slot_address_entry): New struct, items for the table.
3730 (temp_slot_address_compute_hash, temp_slot_address_hash,
3731 temp_slot_address_eq, insert_temp_slot_address): Support functions
3732 for the new table.
3733 (find_temp_slot_from_address): Rewrite to use the new hash table.
3734 (remove_unused_temp_slot_addresses): Remove addresses of temp
3735 slots that have been made available.
3736 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3737 worker function for remove_unused_temp_slot_addresses.
3738 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3739 Add the temp slot address to the address -> temp slot map.
3740 (update_temp_slot_address): Update via insert_temp_slot_address.
3741 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3742 (pop_temp_slots): Likewise.
3743 (init_temp_slots): Allocate the address -> temp slot map, or empty
3744 the map if it is already allocated.
3745 (prepare_function_start): Initialize temp slot processing.
3747 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3749 PR middle-end/38584
3750 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3751 Calculate the size of all stack vars assuming no packing of stack
3752 vars will happen, replacing a quadratic algorithm with a linear one.
3754 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3756 PR target/38707
3757 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3758 can't be used.
3760 2009-01-03 Diego Novillo <dnovillo@google.com>
3762 * doc/contrib.texi: Update contributions.
3764 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3766 PR c++/38705
3767 * builtins.c (fold_builtin_memory_op): Give up if either operand
3768 is volatile. Set srctype or desttype to non-qualified version
3769 of the other type.
3771 PR c/38700
3772 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3773 and FUNCTION_DECLs.
3775 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3777 PR rtl-optimization/35805
3778 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3779 problem if fast dce is able to remove any instructions.
3780 * dce.c (dce_process_block): Fix dump message.
3782 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3784 PR 33649
3785 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3787 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3789 PR middle-end/38690
3790 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3791 * tree-pretty-print.c (op_code_prio): New function.
3792 (op_prio): No longer static. Use op_code_prio.
3793 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3794 Use op_prio and op_code_prio to determine if () should be
3795 printed around operand(s) or not.
3797 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3798 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3799 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3800 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3801 pp_character instead of pp_string for single letter printing.
3803 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3805 * doc/extend.texi: Fix '#pragma GCC option' typo.
3807 2009-01-02 Richard Guenther <rguenther@suse.de>
3809 * doc/install.texi (--enable-checking): Mention different
3810 default for stage1.
3811 (--enable-stage1-checking): Document.
3813 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3815 PR middle-end/30142
3816 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3817 case to be an error.
3819 2009-01-02 Ben Elliston <bje@au.ibm.com>
3821 * config/fp-bit.h (pack_d): Constify argument.
3822 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3823 (isnan): Constify argument.
3824 (isinf): Likewise.
3825 (iszero): Likewise.
3826 (pack_d): Likewise.
3827 (_fpadd_parts): Constify return type.
3828 (_fpmul_parts): Likewise.
3829 (_fpdiv_parts): Likewise.
3831 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3833 PR c/36489
3834 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3835 warn about overwriting initializer with side-effects or
3836 -Woverride-init if !IMPLICIT.
3837 (output_init_element): Likewise. Pass IMPLICIT down to
3838 add_pending_init.
3839 (process_init_element): Add IMPLICIT argument. Pass it down
3840 to output_init_element.
3841 (push_init_element, pop_init_level, set_designator): Adjust
3842 process_init_element callers.
3843 (set_nonincremental_init, set_nonincremental_init_from_string):
3844 Adjust add_pending_init callers.
3845 (output_pending_init_elements): Adjust output_init_element callers.
3846 * c-tree.h (process_init_element): Adjust prototype.
3847 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3848 process_init_element callers.