1 2009-03-29 Jan Hubicka <jh@suse.cz>
3 * except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
6 2009-03-29 Jan Hubicka <jh@suse.cz>
8 * except.c (dump_eh_tree): Dump all datastructures.
10 2009-03-29 Jan Hubicka <jh@suse.cz>
12 * except.c (duplicate_eh_regions_0): Handle AKA bitmap.
13 (duplicate_eh_regions_1): Likewise.
14 (duplicate_eh_regions): Likewise; cleanup code gorwing the region
15 vector; call EH verification.
16 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
17 Be ready for region being removed.
19 2009-03-29 Jan Hubicka <jh@suse.cz>
21 * bitmap.c (bitmap_last_set_bit): New function.
22 * bitmap.h (bitmap_last_set_bit): Declare.
24 2009-03-29 David Ayers <ayers@fsfe.org>
27 * c-typeck.c (build_conditional_expr): Emit ObjC warnings
28 by calling objc_compare_types and surpress warnings about
29 incompatible C pointers that are compatible ObjC pointers.
31 2009-03-29 Adam Nemet <anemet@caviumnetworks.com>
33 * cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
34 call initialize_inline_failed.
35 (initialize_inline_failed): Move it from here ...
36 * cgraph.c (initialize_inline_failed): ... to here.
37 (cgraph_create_edge): Call initialize_inline_failed rather than
38 setting inline_failed directly.
40 2009-03-29 Ben Elliston <bje@au.ibm.com>
43 * sysv4.opt (msdata): Improve comment.
44 * linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
45 * sysv4.h (SVR4_ASM_SPEC): Likewise.
47 2009-03-29 Ben Elliston <bje@au.ibm.com>
50 * config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
51 load and store attributes.
53 2009-03-29 Ben Elliston <bje@au.ibm.com>
55 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
56 (ix86_init_builtins): Add built-in function __builtin_huge_valq.
57 (ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
58 * doc/extend.texi (X86 Built-in Functions): Add index entries for
59 __builtin_infq and __builtin_huge_valq.
61 2009-03-28 Anatoly Sokolov <aesok@post.ru>
63 * config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
65 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
66 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)
68 2009-03-28 Xinliang David Li <davidxl@google.com>
70 * tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
71 (do_dbg_cnt): New function.
73 2009-03-28 Jan Hubicka <jh@suse.cz>
75 Merge from pretty-ipa:
77 2009-03-27 Jan Hubicka <jh@suse.cz>
78 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
79 * tree-pass.h (function_called_by_processed_nodes_p): Declare.
80 * passes.c (function_called_by_processed_nodes_p): New.
81 * ipa-pure-const.c (check_call): Fix handling of operands.
82 (analyze_function): Dump debug output for skipped bodies.
83 (local_pure_const): Use function_called_by_processed_nodes_p.
84 * dwarf2out.c (reference_to_unused): Use output.
85 * passes.c (do_per_function_toporder): Likewise.
87 2008-11-12 Jan Hubicka <jh@suse.cz>
89 * tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
90 * ipa-pure-const.c (funct_state_d): Add can throw field; make
91 state_set_in_source enum
92 (check_decl): Ignore memory tags; do not set fake looping flags;
94 (check_operand, check_tree, check_rhs_var, check_lhs_var,
95 get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
96 (check_call, analyze_function): Rewrite.
98 (add_new_function): Update call of analyze_function.
99 (generate_summary): Add call of analyze_function.
100 (propagate): Propagate can_throw; handle state_set_in_source correctly.
101 (local_pure_const): New function.
102 (pass_local_pure_const): New pass.
103 * ipa-inline.c (inline_transform): Set after_inlining.
104 * tree-eh.c (stmt_can_throw_external): New.
105 * tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
106 work with aliasing built.
107 * tree-flow.h (stmt_can_throw_external): New.
108 * passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
109 and local pure/const pass in early and late optimization queue.
110 2009-03-28 Martin Jambor <mjambor@suse.cz>
112 * fold-const.c (get_pointer_modulus_and_residue): New parameter
114 (fold_binary): Allow function decl aligment consideration is the
115 second argument is integer constant one.
116 * tree-ssa-forwprop.c (simplify_bitwise_and): New function.
117 (tree_ssa_forward_propagate_single_use_vars): Handle assing statements
118 with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.
120 2009-03-28 Jan Hubicka <jh@suse.cz>
122 * dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
123 * tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
124 * function.h (rtl_data): Add nothrow flag.
125 * except.c (set_nothrow_function_flags): Use crtl->nothrow;
126 set DECL_NOTHROW for AVAILABLE functions.
128 2009-03-28 Jakub Jelinek <jakub@redhat.com>
130 * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
131 following vector keyword has expansion starting with pixel or bool
132 keyword, expand vector to __vector and pixel or bool to __pixel or
136 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
137 warn_if_disallowed_function_p): Removed.
138 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
139 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
140 warning_if_disallowed_function_p.
141 * flags.h (warn_if_disallowed_function_p,
142 warn_disallowed_functions): Removed.
143 * common.opt (Wdisallowed-function-list=): Removed.
144 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
146 2009-03-28 Richard Guenther <rguenther@suse.de>
148 PR tree-optimization/38723
149 * tree-ssa-pre.c (compute_avail): Add all default definitions to
152 2009-03-28 Jan Hubicka <jh@suse.cz>
154 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
155 test introduced by my previous patch.
157 2009-03-28 Richard Guenther <rguenther@suse.de>
159 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
160 the PHIs value undefined.
162 2009-03-28 Jan Hubicka <jh@suse.cz>
164 * tree-pass.h (pass_fixup_cfg): New pass.
165 * ipa-inline.c (inline_transform): Set
166 always_inline_functions_inlined/after_inlining.
167 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
168 (pass_fixup_cfg): New pass.
169 * passes.c (init_optimization_passes): Add fixup_cfg.
171 2009-03-28 Richard Guenther <rguenther@suse.de>
173 PR tree-optimization/38458
174 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
175 argument use the arguments copy-of value.
177 2009-03-28 Richard Guenther <rguenther@suse.de>
179 PR tree-optimization/38180
180 * tree-ssa-ccp.c (get_default_value): Simplify.
181 (likely_value): Likewise.
182 (surely_varying_stmt_p): Properly handle VOP case.
183 (ccp_initialize): Likewise.
184 (ccp_fold): Handle propagating through *&.
185 (fold_const_aggregate_ref): Also handle decls.
187 2009-03-28 Jan Hubicka <jh@suse.cz>
189 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
190 * cgraph.h (cgraph_node): Likewise.
191 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
192 (cgraph_reset_node): Use process flag.
193 (cgraph_mark_functions_to_output): Likewise.
194 (cgraph_expand_function): Likewise.
195 (cgraph_expand_all_functions): Likewise.
196 (cgraph_output_in_order): Likewise.
197 * dwarf2out.c (reference_to_unused): Likewise.
198 * passes.c do_per_function_toporder): Likewise.
200 2009-03-28 Jan Hubicka <jh@suse.cz>
202 Bring from lto-branch:
203 2008-09-03 Doug Kwan <dougkwan@google.com>
205 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
206 enums instead of reason strings.
207 * cgraph.c (cgraph_create_edge): Same.
208 (cgraph_inline_failed_string): New function.
209 * cgraph.h (cgraph_inline_failed_t): New enum type.
210 (cgraph_inline_failed_string): New prototype.
211 (struct cgraph_edge): Change type of INLINED_FAILED from constant
212 char pointer to cgraph_inline_failed_t.
213 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
214 (cgraph_default_inline_p): Ditto.
215 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
216 to cgraph_inline_failed_t pointer.
217 * cif-code.def: New file.
218 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
220 (cgraph_check_inline_limits): Change type of REASON to pointer to
221 cgraph_inline_failed_t. Replace reason strings with enums.
222 (cgraph_default_inline_p): Ditto.
223 (cgraph_recursive_inlining_p): Ditto.
224 (update_caller_keys): Change type of FAILED_REASON to
225 cgraph_inline_failed_t.
226 (cgraph_set_inline_failed): Change type of REASON to pointer to
227 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
228 convert enums to strings for text output.
229 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
230 to be of type cgraph_inline_failed_t. Replace reason strings with
231 enums. Call cgraph_inline_failed_string to covert enums
232 to strings for text output.
233 (cgraph_decide_inlining): Replace reason strings with enums.
234 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
235 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
237 * tree-inline.c (expand_call_inline): Change type of REASON
238 to cgraph_inline_failed_t. Replace reason strings with enums.
239 Call cgraph_inline_failed_string for text output.
240 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
243 2009-03-28 Jan Hubicka <jh@suse.cz>
245 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
246 cgraph_clone_node): Remove master clone handling.
247 (cgraph_is_master_clone, cgraph_master_clone): Remove.
248 * cgraph.h (master_clone): Remove.
249 (cgraph_is_master_clone, cgraph_master_clone): Remove.
250 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
251 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
253 2009-03-28 Jan Hubicka <jh@suse.cz>
255 * cgraph.c (cgraph_function_body_availability): Functions declared
256 inline are always safe to assume that it is not going to be replaced.
258 2009-03-28 Richard Guenther <rguenther@suse.de>
260 PR tree-optimization/38513
261 * tree-ssa-pre.c (eliminate): Remove redundant stores.
262 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
263 EXC_PTR_EXPR and FILTER_EXPR.
264 (get_ref_from_reference_ops): Likewise.
266 2009-03-28 Richard Guenther <rguenther@suse.de>
268 PR tree-optimization/38968
269 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
270 Use FLOOR_MOD_EXPR to compute misalignment.
272 2009-03-28 Richard Guenther <rguenther@suse.de>
274 PR tree-optimization/37795
275 * tree.h (combine_comparisons): Declare.
276 * fold-const.c (combine_comparisons): Export.
277 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
279 (ifcombine_iforif): Use combine_comparisons.
281 2009-03-28 Jan Hubicka <jh@suse.cz>
283 * tree-eh.c (inlinable_call_p): New function.
284 (make_eh_edges): Use it.
285 (verify_eh_edges): Use it.
286 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
287 * except.c (reachable_next_level): Add inlinable_function argument
288 (sjlj_find_directly_reachable_regions): Update.
289 (add_reachable_handler): Do not set saw_any_handlers.
290 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
291 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
292 Add new inlinable call parameter.
293 (can_throw_internal, can_throw_external): Update.
294 * except.h (can_throw_internal_1, can_throw_external_1,
295 foreach_reachable_handler): Update declaration.
297 2009-03-28 Joseph Myers <joseph@codesourcery.com>
299 * config/arm/t-arm-coff, config/h8300/coff.h,
300 config/i386/i386-aout.h, config/i386/i386-coff.h,
301 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
302 config/pdp11/2bsd.h, config/rs6000/aix41.h,
303 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
304 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
305 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
307 * Makefile.in: Remove protoize and fixproto support and references
309 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
310 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
312 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
313 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
315 (rest.encap): Don't depend on $(STMP_FIXPROTO)
316 (.PHONY): Don't depend on proto.
317 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
318 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
319 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
320 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
321 build/gen-protos.o, build/scan.o, xsys-protos.h,
322 build/fix-header$(build_exeext), build/fix-header.o,
323 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
324 stmp-install-fixproto): Remove.
325 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
326 SYSCALLS.c or fixproto files.
327 (install-common): Don't install protoize.
328 (install-headers-tar, install-headers-cpio, install-headers-cp):
329 Don't depend on $(STMP_FIXPROTO).
330 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
331 install fixproto files or write out fixproto settings.
332 (uninstall): Don't uninstall protoize.
333 * config.gcc (use_fixproto): Remove.
334 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
335 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
336 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
337 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
338 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
339 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
340 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
341 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
342 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
343 * config/t-vxworks (STMP_FIXPROTO): Remove.
344 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
345 STMP_FIXPROTO): Remove.
346 * config.in, configure: Regenerate.
347 * crtstuff.c (gid_t, uid_t): Don't undefine.
348 * doc/install.texi: Change m68k-coff to m68k-elf in example.
349 (arm-*-coff, arm-*-aout: Remove target entries.
350 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
351 Remove mention of AIX 4.1.
352 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
353 * doc/invoke.texi (Running Protoize): Remove.
354 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
355 (Protoize Caveats): Remove.
356 * tsystem.h: Update comments on headers assumed to exist.
358 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
360 * genautomata.c: Add a new year to the copyright. Add a new
362 (struct insn_reserv_decl): Add comments for member bypass_list.
363 (find_bypass): Remove.
364 (insert_bypass): New.
365 (process_decls): Use insert_bypass.
366 (output_internal_insn_latency_func): Output all bypasses with the
367 same input insn in one switch case.
369 * rtl.def (define_bypass): Describe bypass choice.
370 * doc/md.texi (define_bypass): Ditto.
372 2009-03-27 Richard Guenther <rguenther@suse.de>
374 * gimplify.c (mark_addressable): Export.
375 * tree-flow.h (mark_addressable): Declare.
376 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
377 * tree-ssa.c (verify_phi_args): Verify that address taken
378 variables have TREE_ADDRESSABLE set.
380 2009-03-27 Richard Guenther <rguenther@suse.de>
382 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
383 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
384 Do not mark decls TREE_ADDRESSABLE.
385 (build_fold_addr_expr): Adjust.
386 (fold_addr_expr): Remove.
387 (fold_unary): Use build_fold_addr_expr.
388 (fold_comparison): Likewise.
389 (split_address_to_core_and_offset): Likewise.
390 * coverage.c (tree_coverage_counter_addr): Mark the array decl
392 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
393 (gimplify_modify_expr_to_memcpy): Mark source and destination
395 * omp-low.c (create_omp_child_function): Mark the object decl
397 (lower_rec_input_clauses): Mark the var we take the address of
399 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
401 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
404 * cfgexpand.c (expand_one_stack_var_at): Change alignment
405 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
407 2009-03-27 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/39120
410 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
412 (handle_lhs_call): Process return constraints. Add escape
413 constraints if necessary.
414 (handle_const_call): Fill out return constraints. Make nested
415 case more precise. Avoid consttmp if possible.
416 (handle_pure_call): Fill out return constraints. Avoid
417 callused if possible.
418 (find_func_aliases): Simplify call handling.
420 2009-03-27 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/39120
423 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
425 (solve_graph): Do propagate CALLUSED.
426 (handle_pure_call): Use a scalar constraint from CALLUSED for
428 (find_what_p_points_to): CALLUSED shall not appear in poins-to
431 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
434 * c-common.c (handle_aligned_attribute): Properly check alignment
435 overflow. Use (1U << i) instead of (1 << i).
437 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
440 * expr.h (get_mem_align_offset): Updated.
442 * tree.h (tree_decl_common): Change align to "unsigned int" and
443 move it before pointer_alias_set.
445 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
446 Jakub Jelinek <jakub@redhat.com>
449 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
450 gr_register_operand with gr_reg_or_0_operand.
451 (cmpxchg_rel_di): Likewise.
452 (sync_lock_test_and_set<mode>): Likewise.
454 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
456 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
457 (true_regnum): Likewise.
459 * rtlanal.c (subreg_info): Moved to ...
460 * rtl.h (subreg_info): Here. New.
461 (subreg_get_info): New.
463 * rtlanal.c (subreg_get_info): Make it extern.
465 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
468 * config/i386/i386.c (ix86_abi): New.
469 (override_options): Handle -mabi=.
470 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
472 (ix86_call_abi_override): Likewise.
473 (init_cumulative_args): Likewise.
474 (function_arg_advance): Likewise.
475 (function_arg_64): Likewise.
476 (function_arg): Likewise.
477 (ix86_pass_by_reference): Likewise.
478 (ix86_function_value_regno_p): Likewise.
479 (ix86_build_builtin_va_list_abi): Likewise.
480 (setup_incoming_varargs_64): Likewise.
481 (is_va_list_char_pointer): Likewise.
482 (ix86_init_machine_status): Likewise.
483 (ix86_reg_parm_stack_space): Use enum calling_abi on
485 (ix86_function_type_abi): Return enum calling_abi. Rewrite
486 for 64bit. Replace DEFAULT_ABI with ix86_abi.
487 (ix86_function_abi): Make it static and return enum
489 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
491 (ix86_fn_abi_va_list): Updated.
493 * config/i386/i386.h (ix86_abi): New.
494 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
495 (CONDITIONAL_REGISTER_USAGE): Likewise.
496 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
497 (machine_function): Likewise.
499 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
501 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
502 (STACK_BOUNDARY): Likewise.
503 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
505 * config/i386/i386.opt (mabi=): New.
507 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
508 return enum calling_abi.
509 (ix86_function_type_abi): Likewise.
510 (ix86_function_abi): Removed.
512 * doc/invoke.texi: Document -mabi= option for x86.
514 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
516 * builtins.c (real_dconstp): Delete.
517 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
519 2009-03-27 Dodji Seketeli <dodji@redhat.com>
520 Jakub Jelinek <jakub@redhat.com>
523 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
524 (gen_subprogram_die): When a function is explicit, generate the
525 DW_AT_explicit attribute.
526 * langhooks.h (struct lang_hooks_for_decls): Add
527 function_decl_explicit_p langhook.
528 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
529 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
531 2009-03-27 Jakub Jelinek <jakub@redhat.com>
533 * builtins.c (fold_builtin_memory_op): Optimize memmove
534 into memcpy if we can prove source and destination don't overlap.
536 * tree-inline.c: Include gt-tree-inline.h.
537 (clone_fn_id_num): New variable.
538 (clone_function_name): New function.
539 (tree_function_versioning): Use it.
540 * Makefile.in (GTFILES): Add tree-inline.c.
542 2009-03-27 Mark Mitchell <mark@codesourcery.com>
544 * BASE-VER: Change to 4.5.0.
546 2009-03-27 Xinliang David Li <davidxl@google.com>
548 PR tree-optimization/39557
549 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
551 2009-03-27 Xinliang David Li <davidxl@google.com>
553 PR tree-optimization/39548
554 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
557 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
559 * c-common.c (pointer_int_sum): Use %wd on return from
562 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
564 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
565 on return from tree_low_cst.
567 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
570 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
572 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
575 * builtins.h (c_strlen): Do not warn here.
576 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
577 * c-common.c (pointer_int_sum): Take an explicit location.
578 Warn about offsets out of bounds.
579 * c-common.h (pointer_int_sum): Adjust declaration.
581 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
583 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
586 2009-03-26 Jakub Jelinek <jakub@redhat.com>
589 * opts.c (warn_if_disallowed_function_p): Don't assume
590 get_callee_fndecl must return non-NULL.
592 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
594 PR rtl-optimization/39522
595 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
596 when reg_reloaded_valid is set.
598 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
600 * config/spu/divv2df3.c: New file.
601 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
602 (DPBIT_FUNCS): Filter out _div_df.
604 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
606 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
607 a jump insn, count that jump in the distance to the loop start.
609 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
612 * config/sh/sh.c (calc_live_regs): Fix condition for global
613 registers except PIC_OFFSET_TABLE_REGNUM.
615 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
618 * doc/invoke.texi (-mconsole): New.
622 (-mnop-fun-dllimport): New.
626 (sub section "i386 and x86-64 Windows Options"): New.
628 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
630 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
631 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
633 2009-03-25 Richard Guenther <rguenther@suse.de>
636 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
639 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
641 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
642 neither of haifa/selective schedulers are working.
644 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
646 * doc/invoke.texi (Debugging Options): Fix description of
647 -fno-merge-debug-strings.
649 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
651 * config/cris/libgcc.ver: New version-script.
652 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
654 * configure.ac <GAS features, nop mnemonic>: Add pattern
655 crisv32-*-* for "nop".
656 <GAS features, Thread-local storage>: Add item for CRIS and
658 * configure: Regenerate.
660 2009-03-24 Ira Rosen <irar@il.ibm.com>
662 PR tree-optimization/39529
663 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
664 mark_sym_for_renaming for the tag copied to the new vector
667 2009-03-24 Arthur Loiret <aloiret@debian.org>
669 * config.host (alpha*-*-linux*): Use driver-alpha.o and
671 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
672 EXTRA_SPEC_FUNCTIONS.
673 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
674 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
675 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
676 -march and -mtune options.
678 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
680 * config/m68k/t-rtems: Add m5329 multilib.
682 2009-03-24 Dodji Seketeli <dodji@redhat.com>
683 Jakub Jelinek <jakub@redhat.com>
686 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
689 2009-03-23 Jakub Jelinek <jakub@redhat.com>
692 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
693 instead of c_parser_expression_conv, if original_code isn't one of the
694 4 allowed comparison codes, fail.
696 2009-03-23 Richard Guenther <rguenther@suse.de>
698 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
699 * tree.h (struct tree_type): Likewise.
700 * reload.h (struct insn_chain): Likewise.
701 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
702 * function.h (struct function): Likewise.
703 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
705 2009-03-23 Jakub Jelinek <jakub@redhat.com>
707 PR tree-optimization/39516
708 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
710 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
712 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
713 should be set true if BITS_PER_WORD of target is bigger than 32
715 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
717 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
718 Translate -B-options to -rpath-link. Correct existing
719 rpath-link and conditionalize on !nostdlib.
721 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
723 * doc/extend.texi (Function Attributes, Variable Attributes):
725 * doc/invoke.texi (Debugging Options, Optimize Options)
726 (i386 and x86-64 Options, MCore Options): Likewise.
728 2009-03-20 Jakub Jelinek <jakub@redhat.com>
731 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
732 it for block local namespace aliases.
733 (gen_decl_die): Pass context_die to gen_namespace_die.
735 2009-03-19 Jakub Jelinek <jakub@redhat.com>
738 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
739 minimum or maximum value.
741 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
743 * reginfo.c (globalize_reg): Recompute derived reg sets.
745 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
748 * libgcc2.c (mprotect): Do not use signed arguments for
749 VirtualProtect, use DWORD arguments. Also fix the 'may
750 be used uninitialized' warning for the np variable.
752 2009-03-19 Jakub Jelinek <jakub@redhat.com>
755 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
756 functions using regparm calling conventions when not optimizing.
757 (ix86_function_sseregparm): Similarly for sseregparm calling
760 2009-03-19 Li Feng <nemokingdom@gmail.com>
763 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
764 dependence if the first conflict is after niter iterations.
766 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
769 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
770 functions with dynamic stack-pointer adjustments.
772 2009-03-19 Ben Elliston <bje@au.ibm.com>
774 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
775 option; change to -msdata=data.
777 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
779 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
782 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
785 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
787 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
789 * doc/invoke.texi (Code Gen Options): Expand discussion of
792 2009-03-18 Jakub Jelinek <jakub@redhat.com>
794 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
795 * matrix-reorg.c (struct matrix_info): Likewise.
796 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
797 * rtl.h (struct mem_attrs): Likewise.
798 * df.h (struct df): Likewise.
799 * tree-data-ref.h (struct data_dependence_relation): Likewise.
800 * ira-int.h (struct ira_allocno): Likewise.
801 * df-scan.c (struct df_collection_rec): Likewise.
802 * ira.c (struct equivalence): Likewise.
803 * function.c (struct temp_slot): Likewise.
804 * cfgloop.h (struct loop): Likewise.
807 * function.c (use_register_for_decl): When not optimizing, disregard
808 register keyword for variables with types containing methods.
810 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
813 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
814 (is_simple_operand): Call contains_component_ref_p before calling data
815 reference analysis that would fail on COMPONENT_REFs.
817 * tree-vrp.c (search_for_addr_array): Fix formatting.
819 2009-03-18 Richard Guenther <rguenther@suse.de>
821 * tree-vect-transform.c (vect_loop_versioning): Fold the
822 generated comparisons.
823 * tree-vectorizer.c (set_prologue_iterations): Likewise.
824 (slpeel_tree_peel_loop_to_edge): Likewise.
826 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
829 * opts.c (print_specific_help): In addition to `undocumented',
830 accept `separate' and `joined' flags if passed alone. Describe
831 output by the first matched one of those.
832 (common_handle_option): Skip over empty strings.
833 * gcc.c (display_help): Fix help string for `--help='.
834 * doc/invoke.texi (Option Summary, Overall Options): With
835 `--help=', classes and qualifiers can both be repeated, but
836 only the latter can be negated. One should not pass only
837 negated qualifiers. Fix markup and examples.
840 2008-10-14 Jakub Jelinek <jakub@redhat.com>
842 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
845 2009-03-17 Jing Yu <jingyu@google.com>
848 * function.h (struct rtl_data): Move is_thunk from here...
849 (struct function): ...to here.
850 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
851 * varasm.c (assemble_start_function): Change is_thunk from crtl to
853 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
855 (alpha_does_function_need_gp, alpha_start_function): Likewise.
856 (alpha_output_function_end_prologue): Likewise.
857 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
858 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
859 (rs6000_output_function_epilogue): Likewise.
860 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
862 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
865 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
866 from different units in a single alternative.
867 (*truncdfsf_i387): Ditto.
868 (*truncxfsf2_mixed): Ditto.
869 (*truncxfdf2_mixed): Ditto.
871 2009-03-17 Jakub Jelinek <jakub@redhat.com>
873 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
874 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
877 * tree-ssa-live.c (remove_unused_locals): Don't remove local
878 unused non-artificial variables when not optimizing.
881 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
882 DW_TAG_imported_module even if decl is IMPORTED_DECL with
883 NAMESPACE_DECL in its DECL_INITIAL.
886 * optabs.c (set_user_assembler_libfunc): New function.
887 * expr.h (set_user_assembler_libfunc): New prototype.
888 * c-common.c: Include libfuncs.h.
889 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
890 for memcmp, memset, memcpy, memmove and abort.
891 * Makefile.in (c-common.o): Depend on libfuncs.h.
894 * dwarf2out.c (gen_inlined_enumeration_type_die,
895 gen_inlined_structure_type_die, gen_inlined_union_type_die,
896 gen_tagged_type_instantiation_die): Removed.
897 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
900 2009-03-17 Janis Johnson <janis187@us.ibm.com>
903 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
905 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
906 (check-parallel-%): Ditto.
907 (check-consistency): Ditto.
909 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
911 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
912 local variable rhs by NULL_TREE.
914 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
917 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
919 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
922 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
924 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
927 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
928 for ms->sysv ABI calls only in 64bit mode.
930 * config/i386/i386.md (untyped_call): Support 32bit.
932 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
934 * doc/extend.texi: Replace x86_65 with x86_64.
936 2009-03-16 Jakub Jelinek <jakub@redhat.com>
938 PR tree-optimization/39455
939 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
940 mismatches for POINTER_TYPE_P (type).
941 (number_of_iterations_le): Likewise.
943 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
945 * config/picochip/picochip.c: Removed profiling support.
946 * config/picochip/picochip.md: Removed profiling instruction.
947 * config/picochip/picochip.h: Removed profiling builtin.
949 2009-03-16 Joseph Myers <joseph@codesourcery.com>
951 * doc/install.texi (--with-host-libstdcxx): Document.
953 2009-03-14 Anatoly Sokolov <aesok@post.ru>
956 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
957 generate a warning if the function name does not begin with
958 "__vector" and the function has either the 'signal' or 'interrupt'
959 attribute, from here to ...
960 (avr_declare_function_name): ...here. New function.
961 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
962 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
964 2009-03-14 Jakub Jelinek <jakub@redhat.com>
967 * cse.c (fold_rtx): Don't modify original const_arg1 when
968 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
969 separate variable instead.
970 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
971 from out of range shift counts.
972 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
974 2008-03-13 Catherine Moore <clm@codesourcery.com>
976 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
977 diagnostic.h with $(DIAGNOSTIC_H).
979 2008-03-12 Jakub Jelinek <jakub@redhat.com>
982 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
984 * config/i386/sync.md (sync_compare_and_swap<mode>,
985 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
986 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
988 (sync_double_compare_and_swapdi_pic,
989 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
990 cmpxchg8b_pic_memory_operand instead of just memory_operand.
992 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
995 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
997 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1000 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1001 (avx_addsubv4df3): Likewise.
1002 (*avx_addsubv4sf3): Likewise.
1003 (sse3_addsubv4sf3): Likewise.
1005 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
1008 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
1010 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
1013 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
1014 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
1015 registers for allocnos created from user-defined variables.
1017 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1020 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
1021 of non-integer mode as well.
1023 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
1025 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
1026 for functions for which the parameter types are unknown.
1028 2009-03-11 Jakub Jelinek <jakub@redhat.com>
1031 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
1032 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
1033 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
1034 * config/i386/i386.c (ix86_local_alignment): For
1035 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
1036 long long variables on the stack to avoid dynamic realignment.
1037 Allow the first argument to be a decl rather than type.
1038 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
1040 2009-03-11 Nick Clifton <nickc@redhat.com>
1043 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
1045 Add description to mno-lsim option.
1046 * config/mcore/mcore.h: Remove comment about deprecated m4align
1048 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
1049 * doc/invoke.texi: Add description of mno-lsim and
1050 mstack-increment options.
1052 * config/fr30/fr30.opt: Document the -mno-lsim option.
1053 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
1054 and -mno-lsim options.
1056 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1058 * fold-const.c (fold_comparison): Only call fold_inf_compare
1059 if the mode supports infinities.
1061 2009-03-11 Jason Merrill <jason@redhat.com>
1064 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
1065 end already did. Notice GIMPLE_CALL modifications of the result.
1066 Don't copy debug information from an ignored decl or a decl from
1069 2009-03-10 Richard Guenther <rguenther@suse.de>
1070 Nathan Froyd <froydnj@codesourcery.com>
1073 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
1074 (__divMODE3): Likewise.
1076 2009-03-09 Jakub Jelinek <jakub@redhat.com>
1078 PR tree-optimization/39394
1079 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
1080 DECL_SIZE_UNIT of variable length FIELD_DECLs.
1082 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1084 * recog.c (verfiy_changes): Disallow renaming of hard regs in
1085 inline asms for register asm ("") declarations.
1087 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
1089 * fold-const.c (fold_unary): Fix comment.
1091 2009-03-07 Jan Hubicka <jh@suse.cz>
1094 * tree-inline.c (setup_one_parameter): Do replacement of const
1095 argument by constant in SSA form.
1097 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1100 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
1101 determine alignment passed to assign_stack_local.
1102 (assign_parms_unsplit_complex): Likewise.
1103 * except.c (sjlj_build_landing_pads): Likewise.
1105 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1108 * tree-flow.h (add_referenced_var): Return bool instead of void.
1109 * tree-dfa.c (add_referenced_var): Return result of
1110 referenced_var_check_and_insert call.
1111 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
1112 of referenced_var_check_and_insert.
1115 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
1116 (gen_variable_die): Emit DW_AT_location on abstract static variable's
1117 DIE, don't emit it if abstract origin already has it.
1118 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
1119 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
1121 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
1123 * genpreds.c: (needs_variable): Fix parentheses at variable name
1125 (write_tm_constrs_h): Indent generated code.
1127 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1129 * doc/extend.texi (Function Attributes): Add documentation
1132 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1135 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1136 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1138 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1140 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1143 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1146 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1147 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1149 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1151 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1152 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1153 constants instead of magic numbers.
1154 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1156 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1157 (x86_64_ms_abi_int_parameter_registers): Ditto.
1158 (x86_64_int_return_registers): Ditto.
1159 (ix86_maybe_switch_abi): Ditto.
1160 (ix86_expand_call): Ditto for clobbered_registers array.
1161 (ix86_hard_regno_mode_ok): Ditto.
1162 (x86_extended_QIreg_mentioned_p): Ditto.
1164 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1166 PR tree-optimization/39349
1167 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1169 * combine.c (gen_lowpart_for_combine): Use omode when generating
1172 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1174 PR rtl-optimization/39235
1175 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1177 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1179 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1181 2009-03-04 Richard Guenther <rguenther@suse.de>
1183 PR tree-optimization/39362
1184 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1185 that occur in abnormal PHIs should be varying.
1187 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1189 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1191 (simple_iv): Take loop as an argument instead of statement.
1192 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1193 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1195 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1197 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1198 * matrix-reorg.c (analyze_transpose): Ditto.
1199 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1200 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1201 * tree-predcom.c (ref_at_iteration): Ditto.
1202 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1204 2009-03-04 Richard Guenther <rguenther@suse.de>
1206 PR tree-optimization/39358
1207 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1208 escaped_id and callused_id.
1209 (solve_graph): Likewise.
1211 2009-03-04 Richard Guenther <rguenther@suse.de>
1213 PR tree-optimization/39339
1214 * tree-sra.c (try_instantiate_multiple_fields): Make it
1215 no longer ICE on the above.
1217 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1219 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1220 that fits within Pmode.
1222 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1225 * tm.texi (LIBCALL_VALUE): Update description.
1227 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1230 * doc/extend.texi (section): Update description.
1232 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1235 * tree-inline.c (remapped_type): New.
1236 (can_be_nonlocal): Call remapped_type instead of remap_type.
1238 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1241 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1242 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1244 2009-03-03 Richard Guenther <rguenther@suse.de>
1247 * tree.c (tree_nonartificial_location): New function.
1248 * tree.h (tree_nonartificial_location): Declare.
1249 * builtins.c (expand_builtin_memory_chk): Provide location
1250 of the call location for artificial function pieces.
1251 (maybe_emit_chk_warning): Likewise.
1252 (maybe_emit_sprintf_chk_warning): Likewise.
1253 (maybe_emit_free_warning): Likewise.
1254 * expr.c (expand_expr_real_1): Likewise.
1256 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1258 PR tree-optimization/39343
1259 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1260 COMPONENT_REF t has ARRAY_TYPE.
1262 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1265 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1266 when the type precision of the induction variable should be
1267 larger than the type precision of nit.
1268 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1269 * graphite.c (graphite_loop_normal_form): Same.
1270 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1272 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1274 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1275 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1276 numbers to describe clobbered registers.
1277 (*call_value_0_rex64_ms_sysv): Ditto.
1278 * config/i386/mmx.md (mmx_emms): Ditto.
1281 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1283 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1286 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1288 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1289 (spu_section_type_flags): New function.
1291 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1293 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1294 reg_class_contents of FLOAT_REGS into a temporary.
1296 2009-03-02 Richard Guenther <rguenther@suse.de>
1297 Ira Rosen <irar@il.ibm.com>
1299 PR tree-optimization/39318
1300 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1301 information to the vectorized statement.
1303 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1305 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1306 variable. Use defined names instead of magic constants for REX SSE
1309 2009-03-01 Richard Guenther <rguenther@suse.de>
1311 PR tree-optimization/39331
1312 * omp-low.c (lower_send_shared_vars): Do not receive new
1313 values for the reference of DECL_BY_REFERENCE parms or results.
1315 2009-03-01 Jan Hubicka <jh@suse.cz>
1318 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1319 BLOCK_NONLOCALIZED_VAR): New macros.
1320 (tree_block): Add nonlocalized_vars.
1321 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1322 gen_decl_die): Add origin argument. Allow generation of die with
1323 origin at hand only.
1324 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1325 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1327 (gen_block_die): Fix checking for unused blocks.
1328 (process_scope_var): Break out from .... ; work with origins only.
1329 (decls_for_scope) ... here; process nonlocalized list.
1330 (dwarf2out_ignore_block): Look for nonlocalized vars.
1331 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1333 (dump_scope_block): Dump them.
1334 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1335 (remap_block): Likewise.
1336 (can_be_nonlocal): New predicate.
1337 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1339 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1341 * configure: Regenerate.
1343 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1345 * optc-gen.awk: No need to duplicate option flags twice.
1346 Reuse help texts for duplicate options which do not have any.
1348 * gcc.c (display_help): Document --version.
1350 * gcc.c (main): If print_help_list and verbose_flag, ensure
1351 driver output comes before subprocess output.
1353 * optc-gen.awk: Assign all remaining fields to help string,
1354 space-separated, for multi-line help in *.opt.
1356 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1357 -Wno-pedantic-ms-format is for MinGW targets only.
1359 * doc/options.texi (Option file format): Fix bad indentation,
1360 restoring dropped sentence.
1362 2009-02-28 Jan Hubicka <jh@suse.cz>
1364 * tree-inline.c (tree_function_versioning): Output debug info.
1366 2009-02-28 Jan Hubicka <jh@suse.cz>
1369 * tree-inline.c (setup_one_parameter): Do not copy propagate
1370 arguments when not optimizing.
1372 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1375 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1376 (avx_addsubv4df3): Likewise.
1377 (*avx_addsubv4sf3): Likewise.
1378 (sse3_addsubv4sf3): Likewise.
1379 (*avx_addsubv2df3): Likewise.
1380 (sse3_addsubv2df3): Likewise.
1381 (avx_unpckhps256): Correct item selectors.
1382 (avx_unpcklps256): Likewise.
1383 (avx_unpckhpd256): Likewise.
1384 (avx_unpcklpd256): Likewise.
1386 2009-02-28 Jan Hubicka <jh@suse.cz>
1388 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1390 (copy_arguments_for_versioning): If var is declared don't declare it.
1391 (tree_function_versioning): First setup substitutions and then copy
1394 2009-02-27 Jan Hubicka <jh@suse.cz>
1397 * cgraph.h (varpool_output_debug_info): Remove.
1398 * cgraphunit.c (varpool_output_debug_info): Remove.
1399 * dwarf2out.c (deferred_locations_struct): New struct
1400 (deferred_locations): New type.
1401 (deferred_locations_list): New static var.
1402 (deffer_location): New function.
1403 (gen_variable_die): Use it.
1404 (decls_for_scope): Output info on local static vars.
1405 (dwarf2out_finish): Process deferred locations.
1406 * varpool.c (varpool_output_debug_info): Remove.
1408 2009-02-27 Jan Hubicka <jh@suse.cz>
1411 * tree.h (TREE_PROTECTED): Fix comment.
1412 (BLOCK_HANDLER_BLOCK): Remove.
1413 (struct tree_block): Remove handler_block add body_block.
1414 (inlined_function_outer_scope_p): New.
1415 (is_body_block): Remove.
1416 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1417 * dwarf2out.c (is_inlined_entry_point): Remove.
1418 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1419 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1421 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1422 * gimplify.c (gimplify_expr): Gimplify body blocks.
1423 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1424 block with multiple subblocks.
1425 (dump_scope_block): Prettier output; dump more flags and info.
1426 (dump_scope_blocks): New.
1427 (remove_unused_locals): Use dump_scope_blocks.
1428 * tree-flow.h (dump_scope_blocks): Declare.
1429 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1430 * stmt.c (is_body_block): Remove.
1431 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1432 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1434 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1437 * graphite.c (graphite_loop_normal_form): Do not call
1438 number_of_iterations_exit from a gcc_assert.
1440 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1442 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1443 jumps if COND is NULL.
1444 (find_cond_jump): New function.
1445 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1446 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1448 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1450 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1451 force_const_mem returns NULL_RTX.
1453 2009-02-26 Jan Hubicka <jh@suse.cz>
1456 * cgraph.h (varpool_output_debug_info): Remove.
1457 * cgraphunit.c (varpool_output_debug_info): Remove.
1458 * dwarf2out.c (deferred_locations_struct): New struct
1459 (deferred_locations): New type.
1460 (deferred_locations_list): New static var.
1461 (deffer_location): New function.
1462 (gen_variable_die): Use it.
1463 (decls_for_scope): Output info on local static vars.
1464 (dwarf2out_finish): Process deferred locations.
1465 * varpool.c (varpool_output_debug_info): Remove.
1467 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1469 PR rtl-optimization/39241
1470 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1471 to subreg_offset_representable_p.
1473 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1475 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1476 execute function prototype. Get f and nregs from max_reg_num
1477 and get_insns. Remove the first backward pass as it's dead,
1478 guard the forward pass by flag_expensive_optimizations.
1479 (rest_of_handle_regmove): Delete.
1480 (pass_regmove): Replace it with regmove_optimize.
1482 2009-02-25 Martin Jambor <mjambor@suse.cz>
1484 PR tree-optimization/39259
1485 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1486 calls_alloca function flags.
1487 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1490 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1492 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1493 flags_set_1_rtx, flags_set_1_set): Delete.
1494 (regmove_optimize): Do not call mark_flags_life_zones.
1496 2009-02-24 Julian Brown <julian@codesourcery.com>
1499 * config/arm/arm.c (require_pic_register): Only set
1500 cfun->machine->pic_reg once per function.
1502 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1504 * doc/invoke.texi (Link Options): Document an easier way to pass
1505 options that take arguments to the GNU linker using -Xlinker and -Wl.
1507 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1510 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1512 2009-02-24 Richard Guenther <rguenther@suse.de>
1515 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1517 2009-02-24 Richard Guenther <rguenther@suse.de>
1518 Zdenek Dvorak <ook@ucw.cz>
1520 PR tree-optimization/39233
1521 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1522 from converting them to a generic type.
1524 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1526 PR tree-optimization/39260
1527 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1528 contains a condition with a real type.
1529 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1531 2009-02-23 Jason Merrill <jason@redhat.com>
1534 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1535 narrowing_initializer_constant_valid_p.
1536 (narrowing_initializer_constant_valid_p): Don't return
1537 null_pointer_node for adding a pointer to itself.
1539 2009-02-23 Jan Hubicka <jh@suse.cz>
1542 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1545 2009-02-23 Jan Hubicka <jh@suse.cz>
1547 PR tree-optimization/37709
1548 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1549 * tree.h (block_ultimate_origin): Declare.
1550 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1551 * tree-ssa-live.c (remove_unused_scope_block_p):
1552 Eliminate blocks containig no instructions nor live variables nor
1554 (dump_scope_block): New function.
1555 (remove_unused_locals): Enable removal of dead blocks by default;
1556 enable dumping at TDF_DETAILS.
1558 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1560 * config/i386/i386.c (classify_argument): Don't allow COImode
1562 (function_arg_advance_32): Don't allow OImode.
1563 (function_arg_32): Likewise.
1564 (function_value_32): Likewise.
1565 (return_in_memory_32): Likewise.
1566 (function_arg_64): Remove OImode comment.
1568 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1571 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1572 ix86_expand_vector_set for V4DImode in 64bit mode only.
1573 (ix86_expand_vector_init_one_var): Likewise.
1575 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1577 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1579 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1582 * loop-iv.c: Revert last change.
1583 * emit-rtl.c: Likewise.
1585 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1588 * config/i386/i386.c (type_natural_mode): Remove an extra
1589 space in the warning message.
1590 (function_value_32): Handle 32-byte vector modes.
1591 (return_in_memory_32): Likewise.
1593 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1595 * loop-iv.c (truncate_value): New function.
1596 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1598 (lowpart_subreg): Move to...
1599 * emit-rtl.c: ...here.
1601 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1603 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1604 accidental and undocumented change at revision 140860.
1606 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1608 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1609 take gimple_seq * arguments.
1610 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1611 types_compatible_p langhook.
1613 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1614 Joseph Myers <joseph@codesourcery.com>
1616 * config/arm/arm.c (arm_builtin_va_list): New function.
1617 (arm_expand_builtin_va_start): Likewise.
1618 (arm_gimplify_va_arg_expr): Likewise.
1619 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1620 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1621 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1622 (va_list_type): New variable.
1623 (arm_mangle_type): Mangle va_list_type appropriately.
1625 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1628 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1629 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1630 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1631 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1632 parameter to 1000 for -O1 by default.
1633 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1635 * loop-invariant.c: Include params.h.
1636 (move_loop_invariants): Don't call move_single_loop_invariants on
1639 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1641 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1642 offset when calculating bounds for indexing stack_usage_map. Fixes
1643 a buffer overflow with certain target setups.
1645 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1648 * calls.c (expand_call): Clear try_tail_call if caller and callee
1649 disagree in promotion of function return value.
1651 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1654 * c-common.c (c_determine_visibility): If visibility changed and
1655 DECL_RTL has been already set, call make_decl_rtl to update symbol
1658 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1661 * varasm.c (assemble_variable): Don't check DECL_NAME when
1662 globalizing a variable.
1664 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1667 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1668 expression before any __builtin_trap call.
1669 * c-typeck.c (build_function_call): Convert and check function
1670 arguments before generating a call to a trap. Evaluate the
1671 function arguments before the trap.
1673 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1676 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1677 (UNSPEC_FXAM_MEM): New unspec.
1678 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1679 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1680 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1682 2009-02-19 Richard Guenther <rguenther@suse.de>
1684 PR tree-optimization/39207
1685 PR tree-optimization/39074
1686 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1687 storedanything_tree): New.
1688 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1689 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1690 (build_succ_graph): Add edges from STOREDANYTHING to all
1692 (init_base_vars): Initialize STOREDANYTHING.
1693 (compute_points_to_sets): Free substitution info after
1694 building the succ graph.
1695 (ipa_pta_execute): Likewise.
1697 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1699 (do_ds_constraint): Do not add to special var or non-pointer
1701 (type_could_have_pointers): Split out from ...
1702 (could_have_pointers): ... here. For arrays use the element type.
1703 (create_variable_info_for): Initialize may_have_pointers.
1704 (new_var_info): Likewise.
1705 (handle_lhs_call): Make the HEAP variable unknown-sized.
1706 (intra_create_variable_infos): Use a type with pointers for
1707 PARM_NOALIAS, make it unknown-sized.
1709 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1712 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1714 2009-02-18 Jason Merrill <jason@redhat.com>
1717 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1718 value if DECL_EXTERNAL.
1719 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1720 * target.h (gcc_target::binds_local_p): Clarify "module".
1721 * tree.h (TREE_PUBLIC): Clarify "module".
1723 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1726 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1727 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1729 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1732 * c.opt (Wabi): Support C and ObjC.
1735 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1737 * config/i386/i386.c (classify_argument): Warn once about the ABI
1738 change when passing union with long double.
1740 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1742 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1745 * c-parser.c (c_parser_compound_statement): Always enter and leave
1748 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1751 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1753 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1755 PR tree-optimization/36922
1756 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1757 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1760 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1762 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1765 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1767 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1769 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1771 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1774 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1775 Richard Sandiford <rdsandiford@googlemail.com>
1777 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1778 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1779 (loongson_biadd): ...this.
1781 2009-02-17 Richard Guenther <rguenther@suse.de>
1783 PR tree-optimization/39202
1784 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1785 a var make sure to follow existing collapses.
1787 2009-02-17 Richard Guenther <rguenther@suse.de>
1790 * langhooks.c (lhd_print_error_function): Check for NULL block.
1792 2009-02-17 Richard Guenther <rguenther@suse.de>
1794 PR tree-optimization/39204
1795 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1798 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1800 * config/soft-fp/double.h: Update from glibc CVS.
1802 2009-02-17 Richard Guenther <rguenther@suse.de>
1804 PR tree-optimization/39207
1805 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1806 strict-aliasing warnings for pointers pointing to NULL.
1808 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1811 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1812 skipping until next close brace.
1814 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1817 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1818 to function argument boundary.
1820 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1822 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1823 in the lea_add. Reload eventually constraints it properly.
1824 * config/picochip/constraints.md : Remove the target constraint
1825 "b", since it is not needed anymore.
1827 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1829 * gthr-dce.h: Uglify function parameter and local variable names.
1830 * gthr-gnat.h: Likewise.
1831 * gthr-mipssde.h: Likewise.
1832 * gthr-nks.h: Likewise.
1833 * gthr-posix95.h: Likewise.
1834 * gthr-posix.h: Likewise.
1835 * gthr-rtems.h: Likewise.
1836 * gthr-single.h: Likewise.
1837 * gthr-solaris.h: Likewise.
1838 * gthr-tpf.h: Likewise.
1839 * gthr-vxworks.h: Likewise.
1840 * gthr-win32.h: Likewise.
1842 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1845 * config/i386/i386.md: Restrict the new peephole2 to move
1846 between MMX/SSE registers.
1848 2009-02-15 Richard Guenther <rguenther@suse.de>
1851 2009-02-13 Richard Guenther <rguenther@suse.de>
1853 * configure.ac: Enable LFS.
1854 * configure: Re-generate.
1855 * config.in: Likewise.
1857 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1859 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1860 spu_srqwbyte, spu_srqwbytebc): Define.
1861 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1862 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1863 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1864 "shrqby_<mode>"): New insn-and-split patterns.
1865 * config/spu/spu.c (expand_builtin_args): Determine and return
1866 number of operands using spu_builtin_description data.
1867 (spu_expand_builtin_1): Use it.
1869 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1872 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1875 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1878 * config/i386/i386.c (override_options): Correct warning
1879 messages for -malign-loops, -malign-jumps and -malign-functions.
1881 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1884 * config/i386/i386.md: Restrict the new peephole2 to move
1885 between the general purpose registers.
1887 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1890 * config/i386/i386.c (type_natural_mode): Add a new argument.
1891 Return the original mode and warn ABI change if vector size is 32byte.
1892 (function_arg_advance): Updated.
1893 (function_arg): Likewise.
1894 (ix86_function_value): Likewise.
1895 (ix86_return_in_memory): Likewise.
1896 (ix86_sol10_return_in_memory): Likewise.
1897 (ix86_gimplify_va_arg): Likewise.
1898 (function_arg_32): Don't warn ABX ABI change here.
1899 (function_arg_64): Likewise.
1901 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1903 * loop-iv.c (implies_p): In the final case, test that operands 0
1904 of the two comparisons match.
1906 * config/bfin/bfin.c (find_prev_insn_start): New function.
1907 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1908 (find_next_insn_start): Move.
1910 2009-02-13 Richard Guenther <rguenther@suse.de>
1912 * configure.ac: Enable LFS.
1913 * configure: Re-generate.
1914 * config.in: Likewise.
1916 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1919 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1920 sizes on syntax error after some arguments have been parsed.
1922 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1924 * doc/invoke.texi (-fira): Remove.
1926 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1928 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1929 * recog.c: Likewise.
1932 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1934 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1935 (umul_ppmm): Likewise.
1936 (count_leading_zeros): Likewise.
1937 (count_trailing_zeros): Likewise.
1938 (UMUL_TIME): Likewise.
1940 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1942 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1943 soft-fp/t-softfp to tmake_file.
1945 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1946 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1947 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1948 IA64_BUILTIN_INFQ]: New.
1949 (ia64_init_builtins): Initialize __builtin_infq,
1950 __builtin_fabsq and __builtin_copysignq if not HPUX.
1951 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1952 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1954 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1956 (__fixtfti): Likewise.
1957 (__fixunstfti): Likewise.
1958 (__floattitf): Likewise.
1960 * config/ia64/libgcc-glibc.ver: New.
1961 * config/ia64/t-fprules-softfp: Likewise.
1962 * config/ia64/sfp-machine.h: Likewise.
1964 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1965 (LIBGCC2_TF_CEXT): Likewise.
1966 (TF_SIZE): Likewise.
1967 (TARGET_INIT_LIBFUNCS): Likewise.
1969 * config/ia64/t-glibc (SHLINB_MAPFILES):
1970 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1972 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1974 * config/i386/i386.c (construct_container): Rewrite processing
1975 BLKmode with X86_64_SSE_CLASS.
1977 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1980 * config/i386/i386.md: Replace simplify_replace_rtx with
1981 replace_rtx in the new peephole2.
1983 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1985 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1986 loop unrolling do not happen at -O2.
1988 2009-02-12 Michael Matz <matz@suse.de>
1990 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1992 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1994 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1997 2009-02-12 Ben Elliston <bje@au.ibm.com>
1999 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
2000 patterns when updating the back chain. Missed in the 2009-02-10
2003 2009-02-11 Janis Johnson <janis187@us.ibm.com>
2005 * doc/extend.texi (Decimal Floating Types): Update identifier of
2006 draft TR and list of missing support.
2008 2009-02-11 Jakub Jelinek <jakub@redhat.com>
2011 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
2012 bit to variable length decl's flags, add it also to its
2013 pointer replacement variable.
2015 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
2016 Jakub Jelinek <jakub@redhat.com>
2019 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
2020 (memory_blockage): New expander.
2021 (*memory_blockage): New insn pattern.
2022 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
2023 instead of general blockage at the end of function prologue when
2024 frame pointer is used to access red zone area. Do not emit blockage
2025 when profiling, it is emitted in generic code.
2026 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
2027 function epilogue when frame pointer is used to access red zone area.
2029 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
2032 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
2033 by arithmetic with memory operands.
2034 * config/i386/predicates.md (commutative_operator): New.
2036 2009-02-10 Janis Johnson <janis187@us.ibm.com>
2038 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
2041 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
2043 * alias.h (record_alias_subset): Declare.
2044 * alias.c (record_alias_subset): Make global.
2046 2009-02-10 Nick Clifton <nickc@redhat.com>
2048 * tree-parloops.c: Change license to GPLv3.
2049 * ipa-struct-reorg.c: Change license to GPLv3.
2050 * ipa-struct-reorg.h: Change license to GPLv3.
2052 2009-02-10 Steve Ellcey <sje@cup.hp.com>
2055 * c-decl.c (start_struct): Return NULL on error.
2057 2009-02-10 Jakub Jelinek <jakub@redhat.com>
2060 * cfgloopmanip.c (remove_path): Call remove_bbs after
2061 cancel_loop_tree, not before it.
2064 * function.h (struct function): Add has_local_explicit_reg_vars bit.
2065 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
2066 VAR_DECLs were seen.
2067 * tree-ssa-live.c (remove_unused_locals): Recompute
2068 cfun->has_local_explicit_reg_vars.
2069 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
2070 copies or clearings if cfun->has_local_explicit_reg_vars.
2072 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
2075 * config/i386/i386.c (expand_prologue): Emit blockage at the end
2076 of function prologue when frame pointer is used to access
2079 2009-02-10 Richard Guenther <rguenther@suse.de>
2082 * gimplify.c (gimple_regimplify_operands): Always look if
2083 we need to create a temporary.
2085 2009-02-10 Richard Guenther <rguenther@suse.de>
2087 PR tree-optimization/39132
2088 * tree-loop-distribution.c (todo): New global var.
2089 (generate_memset_zero): Trigger TODO_rebuild_alias.
2090 (tree_loop_distribution): Return todo.
2092 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
2095 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
2096 (x86_64_reg_class_name): Removed.
2097 (classify_argument): Return 0 if bytes > 32. Return 0 if the
2098 first one isn't X86_64_SSE_CLASS or any other ones aren't
2099 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
2100 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
2101 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
2102 and 3 X86_64_SSEUP_CLASS.
2103 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
2104 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
2106 2009-02-10 Ben Elliston <bje@au.ibm.com>
2108 * config/rs6000/rs6000.md (allocate_stack): Always use an update
2109 form instruction to update the stack back chain word, even if the
2110 user has disabled the generation of update instructions.
2111 (movdi_<mode>_update_stack): New.
2112 (movsi_update_stack): Likewise.
2113 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
2114 always use an update form instruction to update the stack back
2117 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
2120 * graphite.c (if_region_set_false_region): After moving a region in
2121 the false branch of a condition, remove the empty dummy basic block.
2122 (gloog): Remove wrong fix for PR38953.
2124 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2126 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
2127 generation due to implicit sign extension.
2129 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2132 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2133 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2135 2009-02-09 Richard Guenther <rguenther@suse.de>
2138 * convert.c (convert_to_real): Disable (float)fn((double)x)
2139 to fnf(x) conversion if errno differences may occur and
2140 -fmath-errno is set.
2142 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2144 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2145 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2146 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2148 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2151 * c-common.c (handle_alias_attribute): Disallow attribute for
2152 anything not a FUNCTION_DECL or VAR_DECL.
2154 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2157 * real.c (do_compare): Special-case compare of zero against
2158 decimal float value.
2160 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2163 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2164 as indicating flexible array members unless the field itself is
2165 being declarared as the incomplete array.
2167 2009-02-06 Jan Hubicka <jh@suse.cz>
2169 PR tree-optimization/38844
2170 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2173 2009-02-06 Richard Guenther <rguenther@suse.de>
2176 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2177 fork because we may expand it as __gcov_fork.
2179 2009-02-06 Nick Clifton <nickc@redhat.com>
2181 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2183 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2185 PR tree-optimization/35659
2186 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2187 vn_phi_eq): Shortcut if hashcode does not match.
2188 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2190 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2191 and avoid iterative_hash_expr.
2192 (FOR_EACH_VALUE_ID_IN_SET): New.
2193 (value_id_compare): Remove.
2194 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2195 sort expressions by value id.
2197 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2200 * config/sh/predicates.md (general_movsrc_operand): Don't check
2201 the subreg of system registers here.
2203 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2206 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2209 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2211 PR rtl-optimization/39110
2212 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2213 addresses, not aligned ones.
2215 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2216 Richard Guenther <rguenther@suse.de>
2218 PR tree-optimization/39100
2219 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2220 comment says and add edges.
2222 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2225 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2226 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2228 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2230 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2231 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2232 register_bb_in_sese, new_sese, free_sese): Moved.
2233 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2234 outermost_loop_in_scop, build_scop_iteration_domain,
2235 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2236 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2237 Use loop_in_sese_p instead of loop_in_scop_p.
2238 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2239 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2240 (scopdet_basic_block_info): Fix bug in scop detection.
2241 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2242 eq_loop_to_cloog_loop): Remove.
2243 (nb_loops_around_loop_in_scop, nb_loop
2244 ref_nb_loops): Moved here...
2245 * graphite.h (ref_nb_loops): ... from here.
2246 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2247 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2248 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2249 * testsuite/gcc.dg/graphite/scop-19.c: New
2251 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2252 Hans-Peter Nilsson <hp@axis.com>
2254 PR rtl-optimization/37889
2255 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2256 Move offset handling from PLUS to before the switch. Use new
2257 arguments when considering SYMBOL_REFs too.
2258 (rtx_addr_can_trap_p): Pass dummy offset and size.
2259 (enum may_trap_p_flags): Remove.
2260 (may_trap_p_1): Pass size from MEM_SIZE.
2262 PR rtl-optimization/38921
2263 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2264 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2265 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2266 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2268 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2270 AVX Programming Reference (January, 2009)
2271 * config/i386/sse.md (*vpclmulqdq): New.
2273 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2275 PR tree-optimization/38977
2276 PR gcov-profile/38292
2277 * calls.c (special_function_p): Disregard __builtin_ prefix.
2279 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2281 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2282 non-indexable addresses even before reload.
2284 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2287 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2288 as having variable size. Do not give an error for unnamed
2289 parameters with [*] declarators. Give a warning for type names
2290 with [*] declarators and mark them as variable size.
2291 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2292 for sizeof applied to [*] type names.
2294 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2297 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2299 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2301 * gcc.c (process_command): Update copyright notice dates.
2302 * gcov.c (print_version): Likewise.
2303 * gcov-dump.c (print_version): Likewise.
2304 * mips-tfile.c (main): Likewise.
2305 * mips-tdump.c (main): Likewise.
2307 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2310 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2311 for composite type involving a zero-length array type.
2313 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2316 * function.c (match_asm_constraints_1): Skip over
2317 initial optional % in the constraint.
2320 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2321 supported, don't accept FIXED_CSTs.
2322 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2323 and _Sat is used without _Fract/_Accum. Set specs->type to
2324 integer_type_node for cts_fract/cts_accum if fixed point is not
2327 2009-02-02 Catherine Moore <clm@codesourcery.com>
2329 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2331 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2333 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2334 (ABI_HAS_64BIT_SYMBOLS): Use it.
2335 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2337 2009-02-02 Paul Brook <paul@codesourcery.com>
2339 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2341 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2344 * recog.h (asm_operand_ok): Add constraints argument.
2345 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2346 recurse on matching constraint.
2347 (check_asm_operands): Pass constraints as 3rd argument to
2348 asm_operand_ok. Don't look up matching constraint here.
2349 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2352 2009-02-02 Ben Elliston <bje@au.ibm.com>
2354 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2355 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2357 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2359 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2360 information. Remove some obsolete information. Reorganize.
2362 * config/pa/fptr.c: Revert license to GPL 2.
2363 * config/pa/milli64.S: Likewise.
2365 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2368 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2369 LIBRARY name in, instead of hard-coding it.
2370 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2371 extra target make frag to tmake_files according to EH model.
2372 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2373 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2374 frags that define makefile variable EH_MODEL appropriately.
2375 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2376 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2377 to "-sjlj" according to type of EH configured.
2378 (LIBGCC_SONAME): Concatenate it to shared library base name.
2379 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2380 to "_sjlj" according to type of EH configured.
2381 (LIBGCC_SONAME): Concatenate it to shared library base name.
2382 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2383 (SHLIB_LINK): Add missing semicolon to if-else construct.
2384 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2385 string value of "pe_dll" command-line option.
2386 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2387 (SHLIB_SONAME): Use it when overriding t-cygming default.
2388 (SHLIB_IMPLIB): Override t-cygming default.
2389 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2390 string value of "pe_dll" command-line option.
2392 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2395 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2396 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2398 2009-01-31 Richard Guenther <rguenther@suse.de>
2400 PR tree-optimization/38937
2401 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2402 computing the transitive closure.
2404 2009-01-30 Richard Guenther <rguenther@suse.de>
2406 PR tree-optimization/39041
2407 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2408 Propagate variable indices only if the types match for this stmt.
2410 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2413 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2414 inline but never defined.
2416 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2418 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2419 (*insv_h_di_reg_extimm): New insn.
2420 (*insv_l<mode>_reg_extimm): New insn.
2422 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2424 * config/picochip/picochip.c (flag_conserve_stack): set
2425 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2426 fconserve-stack. Reduce call-overhead used by inliner.
2428 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2431 * common.opt (flag_conserve_stack): Initialised to zero.
2433 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2436 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2437 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2440 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2442 * ira-color.c (allocno_reload_assign): Update comments.
2443 * regmove.c (regmove_optimize): Likewise.
2447 2009-01-29 Robert Millan <rmh@aybabtu.com>
2449 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2450 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2451 `MD_UNWIND_SUPPORT'.
2452 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2454 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2456 PR tree-optimization/39007
2457 * tree-loop-distribution.c (generate_builtin): Use
2458 recompute_dominator to compute the immediate dominator of the
2459 basic block just after the loop.
2461 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2463 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2464 (ASM_OUTPUT_DWARF_PCREL): Define.
2466 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2468 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2469 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2470 global. Modify entries about regmove and IRA.
2472 * ra-conflict.c: Remove the file.
2474 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2476 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2477 (pass_regclass_init): Rename to pass_reginfo_init.
2479 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2481 * toplev.h (flag_ira): Remove.
2483 * caller-save.c (setup_save_areas): Remove flag_ira.
2485 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2487 * global.c: Remove the file.
2489 * opts.c: (decode_options): Remove flag_ira.
2491 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2493 * regmove.c: Modify file description.
2494 (find_use_as_address, try_auto_increment): Define them only if
2495 AUTO_INC_DEC is defined.
2496 (replacement_quality, replace_in_call_usage, fixup_match_1,
2497 stable_and_no_regs_but_for_p): Remove.
2498 (reg_set_in_bb): Make it static.
2499 (regmove_optimize): Remove flag_ira and code which worked for
2502 * local-alloc.c: Remove the file.
2504 * common.opt (fira): Remove.
2506 * ira.c: Include except.h.
2507 (eliminable_regset): Move from global.c.
2508 (mark_elimination): Ditto. Remove flag_ira.
2509 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2510 equiv_mem_modified, validate_equiv_mem_from_store,
2511 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2512 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2513 no_equiv, recorded_label_ref): Move from local-alloc.c.
2514 (update_equiv_regs): Ditto. Make it static.
2515 (print_insn_chain, print_insn_chains): Move it from global.c.
2516 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2517 (build_insn_chain): Ditto. Make it static.
2518 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2519 Rename to init_live_subregs.
2520 (gate_ira): Remove flag_ira.
2522 * regclass.c: Rename reginfo.c. Change file description.
2523 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2524 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2525 (init_reg_sets_1): Remove code for evaluation of
2526 reg_class_superclasses and losing_caller_save_reg_set.
2527 (init_regs): Remove init_reg_autoinc.
2528 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2529 ok_for_base_p_nonstrict): Remove.
2530 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2531 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2532 corresponding entries.
2533 (dump_regclass, record_operand_costs, scan_one_insn,
2534 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2535 record_address_regs, auto_inc_dec_reg_p): Remove.
2536 (gt-regclass.h): Rename to gt-reginfo.h.
2538 * rtl.h (dump_global_regs, retry_global_alloc,
2539 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2541 * Makefile.in (RA_H): Remove.
2542 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2543 Rename regclass.o to reginfo.o.
2544 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2546 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2547 (GTFILES): Rename regclass.c to reginfo.c.
2549 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2550 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2552 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2553 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2555 (finish_spills): Ditto. Remove code for !flag_ira.
2557 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2560 * doc/invoke.texi (rtl debug options): Complete rewrite.
2561 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2563 * mode-switching.c (pass_mode_switching): Rename pass from
2564 "mode-sw" to "mode_sw".
2565 * except.c (pass_convert_to_eh_ranges): Rename pass from
2566 "eh-ranges" to "eh_ranges".
2567 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2571 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2572 Alexander Monakov <amonakov@ispras.ru>
2575 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2577 (move_exprs_to_boundary): Change return type and pass through
2578 should_move from move_op. Relax assert. Update usage ...
2579 (schedule_expr_on_boundary): ... here. Use should_move instead of
2581 (move_op_orig_expr_found): Indicate that insn was disconnected from
2583 (code_motion_process_successors): Do not call after_merge_succs
2584 callback if original expression was not found when traversing any of
2586 (code_motion_path_driver): Change return type. Update prototype.
2587 (move_op): Update comment. Add a new parameter (should_move). Update
2588 prototype. Set *should_move based on indication provided by
2589 move_op_orig_expr_found.
2591 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2593 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2594 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2595 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2596 * config/rs6000/rs6000.c (rs6000_override_options): Default
2597 avoid-indexed-addresses on for Power6, off for everything else.
2598 (avoiding_indexed_address_p): New function.
2599 (rs6000_legitimize_address): Use it.
2600 (rs6000_legitimate_address): Likewise.
2601 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2603 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2605 PR tree-optimization/38997
2606 * tree-loop-distribution.c (generate_memset_zero): Use
2607 POINTER_PLUS_EXPR for a pointer addition.
2609 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2611 * config/s390/s390.md (bswap<mode>2): New pattern added.
2613 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2615 * config/s390/s390.md (*tls_load_31): Added type attribute.
2617 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2619 * config/s390/s390.md: Fix a few comments.
2621 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2623 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2624 (*tm<mode>_full): Fixed z10prop attribute.
2625 (*tst<mode>_extimm): Fixed z10prop attribute.
2626 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2627 (*tstqiCCT_cconly): Fixed z10prop attribute.
2628 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2629 (*movsi_larl): Fixed z10prop attribute.
2630 (*movsi_zarch): Fixed z10prop attribute.
2631 (*movsi_eas): Fixed z10prop attribute.
2632 (*movhi): Fixed z10prop attribute.
2633 (*movqi): Fixed z10prop attribute.
2634 (*movstrictqi): Fixed z10prop attribute.
2635 (*mov<mode>): Fixed z10prop attribute.
2636 (*movcc): Fixed z10prop attribute.
2637 (*sethighpartdi_64): Fixed z10prop attribute.
2638 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2639 (*negdi2_sign_cc): Fixed z10prop attribute.
2640 (*negdi2_sign): Fixed z10prop attribute.
2641 (*absdi2_sign_cc): Fixed z10prop attribute.
2642 (*absdi2_sign): Fixed z10prop attribute.
2643 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2644 (*negabsdi2_sign): Fixed z10prop attribute.
2645 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2646 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2647 (doloop_si64): Fixed z10prop attribute.
2648 (doloop_si31): Fixed z10prop attribute.
2649 (doloop_long): Fixed z10prop attribute.
2650 (indirect_jump): Fixed z10prop attribute.
2651 (nop): Fixed z10prop attribute.
2652 (main_base_64): Fixed z10prop attribute.
2653 (reload_base_64): Fixed z10prop attribute.
2655 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2657 PR rtl-optimization/38740
2658 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2660 * config/mips/mips.c (mips_reorg): Likewise.
2662 2009-01-28 Richard Guenther <rguenther@suse.de>
2664 PR tree-optimization/38926
2665 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2666 with the correct value id to a value.
2667 (do_regular_insertion): Use the value number of edoubleprime
2668 for the value number of the expr.
2671 2008-08-21 Richard Guenther <rguenther@suse.de>
2673 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2674 a PHI ask VN if it is already available.
2675 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2676 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2678 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2681 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2682 set to varying whenever max has TREE_OVERFLOW set, similarly
2683 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2685 2009-01-28 Richard Guenther <rguenther@suse.de>
2688 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2689 uninitialized aggregate uses in call arguments.
2691 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2693 PR tree-optimization/38984
2694 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2695 the nothing_id variable if -fno-delete-null-pointer-checks.
2697 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2700 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2701 (set_got_offset_rex64): Ditto.
2703 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2706 * doc/extend.texi: Improve local variable with asm reg.
2708 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2710 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2711 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2712 was not supplied then set warn_packed_bitfield_compat to the
2714 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2717 2009-01-27 Richard Guenther <rguenther@suse.de>
2719 PR tree-optimization/38503
2720 * cfgexpand.c (expand_gimple_basic_block): Ignore
2721 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2722 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2723 variables that cannot have TBAA applied.
2724 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2727 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2730 * calls.c (initialize_argument_information): Do not wrap complex
2731 arguments in SAVE_EXPR.
2733 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2735 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2736 (INSTALL_LIBGCC): Revert typo commit.
2738 2009-01-26 Richard Guenther <rguenther@suse.de>
2740 PR tree-optimization/38745
2741 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2742 from special handling.
2744 2009-01-26 Richard Guenther <rguenther@suse.de>
2746 PR tree-optimization/38745
2747 * tree-ssa.c (execute_update_addresses_taken): Do not include
2748 variables that cannot possibly be a register in not_reg_needs.
2749 Do not clear TREE_ADDRESSABLE on vars that may not become
2751 * tree-ssa.c (update_alias_info_1): Include those in the set
2752 of addressable vars.
2754 2009-01-26 Richard Guenther <rguenther@suse.de>
2757 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2758 * tree-ssa-dse.c: Include langhooks.h
2759 (execute_simple_dse): Remove stores with zero size.
2761 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2764 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2767 2009-01-24 Julian Brown <julian@codesourcery.com>
2769 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2770 config/arm/linux-atomic.c.
2771 * config/arm/linux-atomic.c: New.
2773 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2775 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2776 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2777 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2779 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2782 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2785 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2787 PR tree-optimization/38953
2788 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2789 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2790 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2791 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2794 2009-01-24 Paul Brook <paul@codesourcery.com>
2796 * config/arm/neon.md (neon_type): Move to arm.md.
2797 (neon_mov<VSTRUCT>): Add neon_type attribute.
2798 * config/arm/arm.md (neon_type): Move to here.
2799 (conds): Add "unconditioal" and use as default for NEON insns.
2801 2009-01-24 Ben Elliston <bje@au.ibm.com>
2803 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2804 void *' warning from -Wc++-compat.
2805 * Makefile.in (dominance.o-warn): Remove.
2807 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2809 PR tree-optimization/38932
2810 * fold-const.c (fold_unary_ignore_overflow): New.
2811 * tree.h (fold_unary_ignore_overflow): Declare.
2812 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2813 * tree-ssa-sccvn.c (visit_reference_op_load,
2814 simplify_unary_expression): Likewise.
2816 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2818 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2819 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2820 regardless of their type.
2821 * c-common.c (handle_packed_attribute): Don't ignore packed on
2823 * c.opt (Wpacked-bitfield-compat): New warning option.
2824 * stor-layout.c (place_field): Warn if offset of a field changed.
2825 * doc/extend.texi (packed): Mention the ABI change.
2826 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2827 (Warning Options): Add it to the list.
2829 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2831 * c-opts.c (c_common_post_options): Fix a typo in comments.
2833 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2836 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2837 variables to static.
2838 * doc/invoke.texi (-fmerge-all-constants): Update description.
2840 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2843 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2844 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2846 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2848 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2850 (LOCAL_ALIGNMENT): Similarly.
2852 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2853 Joseph Myers <joseph@codesourcery.com>
2855 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2856 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2857 * config/arm/arm-tune.md: Regenerate.
2858 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2861 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2863 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2864 version number to five.
2866 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2869 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2870 * c-common.c (set_underlying_type): Likewise.
2871 (is_typedef_decl ): Likewise
2873 (set_underlying_type): Likewise.
2874 (is_typedef_type): Likewise.
2876 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2879 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2882 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2885 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2886 (LIBGCC_SPEC): Don't define.
2887 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2889 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2891 PR rtl-optimization/38879
2892 * alias.c (base_alias_check): Unaligned access via AND address can
2893 alias all surrounding object types except those with sizes equal
2894 or wider than the size of unaligned access.
2896 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2899 * c-decl.c: (clone_underlying_type): Move this ...
2900 * c-common.c (set_underlying_type): ... here.
2901 Also, make sure the function properly sets TYPE_STUB_DECL() on
2902 the newly created typedef variant type.
2903 (is_typedef_decl ): New entry point.
2904 * tree.h: Added a new member member_types_needing_access_check to
2905 struct tree_decl_non_common.
2906 (set_underlying_type): New entry point.
2907 (is_typedef_type): Likewise.
2909 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2911 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2912 Check whether two instructions have memory references that
2913 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2914 are helper functions for traversing.
2915 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2916 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2917 not to draw dependency edge for instructions with non-conflicting
2920 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2923 * longlong.h: Update copyright years. Use soft-fp license notice.
2924 Sync __clz_tab declaration with glibc.
2926 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2929 * doc/extend.texi (syscall_linkage): New.
2930 (version_id): Modify.
2932 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2933 Richard Guenther <rguenther@suse.de>
2935 PR tree-optimization/38747
2936 PR tree-optimization/38748
2937 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2938 conversion if the base address is an indirect reference and the
2939 aliasing sets could cause issues.
2941 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2943 * common.opt (fgraphite, fgraphite-identity): Add comment for
2944 explaining why these options are not documented.
2946 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2948 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2949 gimple_call_lhs is NULL.
2951 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2954 * emit-rtl.c (adjust_address_1): Make sure memref is never
2957 2009-01-20 Ben Elliston <bje@au.ibm.com>
2959 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2960 const qualifier from arg parameter. Remove unnecessary cast to char *.
2961 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2962 const qualifier from arg 2.
2964 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2966 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2968 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2971 * rtl.h (reinit_regs): New prototype.
2972 * regclass.c: Include ira.h.
2974 * Makefile.in (regclass.o): Add ira.h.
2975 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2977 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2980 * c-common.c (handle_aligned_attribute): Use
2981 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2982 default alignment value.
2984 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2986 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2987 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2989 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2990 __BIGGEST_ALIGNMENT__.
2992 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2994 2009-01-18 Richard Guenther <rguenther@suse.de>
2996 PR tree-optimization/38819
2997 * tree-flow.h (operation_could_trap_helper_p): Declare.
2998 * tree-eh.c (operation_could_trap_helper_p): Export.
2999 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
3000 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
3001 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
3002 are about to insert a possibly trapping instruction and fail
3005 2009-01-18 Andreas Schwab <schwab@suse.de>
3007 * doc/install.texi (Configuration): Remove obsolete paragraph
3008 about use of --with-gnu-ld with --with-gnu-as.
3010 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
3012 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
3013 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
3014 Follow spelling conventions.
3016 2009-01-18 Ben Elliston <bje@au.ibm.com>
3018 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
3019 C++ warning about implicit conversion from void * to struct
3021 (bitmap_obstack_free): Likewise for bitmap_element *.
3022 * Makefile.in (bitmap.o-warn): Remove.
3024 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
3026 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
3028 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
3029 Tobias Grosser <tobi.grosser@amd.com>
3031 * graphite.c (graphite_trans_scop_block): Do not block single
3034 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
3036 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
3037 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
3038 test with assertion.
3040 2009-01-16 Richard Guenther <rguenther@suse.de>
3042 PR tree-optimization/38835
3044 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
3045 and INT + PTR -> (INT)(PTR p+ INT) folding.
3046 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
3048 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
3051 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
3052 the subreg from a lowpart subreg if it is also casting the value.
3054 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3055 Tobias Grosser <tobi.grosser@amd.com>
3057 * graphite.c (compare_prefix_loops): New.
3058 (build_scop_canonical_schedules): Rewritten.
3059 (graphite_transform_loops): Move build_scop_canonical_schedules
3060 after build_scop_iteration_domain.
3062 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
3063 Tobias Grosser <tobi.grosser@amd.com>
3065 * graphite.c (add_conditions_to_domain): Add the loops to
3066 the dimension of the iteration domain. Do copy the domain
3067 only when it exists.
3068 (build_scop_conditions_1): Do not call add_conditions_to_domain.
3069 (add_conditions_to_constraints): New.
3070 (can_generate_code_stmt, can_generate_code): Removed.
3071 (gloog): Do not call can_generate_code.
3072 (graphite_transform_loops): Call add_conditions_to_constraints
3073 after building the iteration domain.
3075 2009-01-16 Jakub Jelinek <jakub@redhat.com>
3077 PR tree-optimization/38789
3078 * tree-ssa-threadedge.c
3079 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
3080 __builtin_constant_p.
3082 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
3084 * dce.c (delete_unmarked_insns): Reversed the order that insns are
3085 examined before deleting them.
3087 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
3089 * function.c (aggregate_value_p): Correctly extract the function
3090 type from CALL_EXPR_FN lookup.
3092 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
3094 * config/picochip/picochip.c (picochip_override_options): Revert
3095 CFI asm flag disable commited previously.
3097 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
3098 Tobias Grosser <tobi.grosser@amd.com>
3099 Jan Sjodin <jan.sjodin@amd.com>
3101 * graphite.c (scan_tree_for_params): On substractions negate
3102 all the coefficients of the term.
3103 (clast_to_gcc_expression_red): New. Handle reduction expressions
3104 of more than two operands.
3105 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
3106 (get_vdef_before_scop): Handle also the case of default definitions.
3108 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
3110 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
3111 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
3112 Also use them when walking CALL_INSN_FUNCTION_USAGE.
3114 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
3115 Joey Ye <joey.ye@intel.com>
3118 * cfgexpand.c (expand_stack_alignment): Don't update stack
3119 boundary nor check incoming stack boundary here.
3120 (gimple_expand_cfg): Update stack boundary and check incoming
3121 stack boundary here.
3123 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
3125 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
3127 2009-01-14 Jakub Jelinek <jakub@redhat.com>
3129 PR rtl-optimization/38245
3130 * calls.c (expand_call): Add stack arguments to
3131 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3132 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3133 in regs and partially in memory or BLKmode arguments.
3134 (emit_library_call_value_1): Add stack arguments to
3135 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3136 ACCUMULATE_OUTGOING_ARGS).
3137 * dce.c: Include tm_p.h.
3138 (find_call_stack_args): New function.
3139 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3141 (mark_insn): Call find_call_stack_args for CALL_Ps.
3142 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3143 forwards. Allocate and free arg_stores bitmap if needed, pass it
3144 down to deletable_insn_p, don't mark stores set in arg_stores
3145 bitmap, clear the bitmap at the beginning of each bb.
3146 * Makefile.in (dce.o): Depend on $(TM_P_H).
3148 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3151 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3152 to make sure the insn is a conditional test (bug 22599). Reformat a
3155 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3158 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3159 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3160 (gloog): Do not call cleanup_tree_cfg.
3161 (graphite_transform_loops): Call cleanup_tree_cfg after all
3162 scops have been code generated.
3164 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3165 * doc/gty.texi (Invoking the garbage collector): Added new node
3166 and section documenting ggc_collect.
3168 2009-01-14 Richard Guenther <rguenther@suse.de>
3170 PR tree-optimization/38826
3172 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3173 initialization notes only if we actually emitted a warning.
3174 (intra_create_variable_infos): Add constraints for a result decl
3175 that is passed by hidden reference.
3176 (build_pred_graph): Mark all related variables non-direct on
3179 2009-01-14 Nick Clifton <nickc@redhat.com>
3181 * ira-conflicts.c: Include addresses.h for the definition of
3183 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3184 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3186 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3189 * Makefile.in (ira-lives.o): Add except.h.
3191 * ira-lives.c: Include except.h.
3192 (process_bb_node_lives): Process can_throw_internal.
3194 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3196 PR rtl-optimization/38774
3197 * combine.c (simplify_set): When undoing cc_use change, don't do
3198 PUT_CODE on the newly created comparison, but instead put back the
3201 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3203 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3204 values. Remove duplicate arm8 entry.
3206 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3208 PR tree-optimization/38786
3209 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3210 the SSA_NAME case of expand_scalar_variables_expr.
3211 Set the type of an expression to the type of its assign statement.
3212 (expand_scalar_variables_expr): Also gather the scalar computation
3213 used to index the memory access. Do not pass loop_p.
3214 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3215 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3216 the gimple_stmt_iterator where it inserts new code.
3218 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3219 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3221 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3223 * graphite.h (debug_value): Removed.
3224 * graphite.c (debug_value): Removed.
3226 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3228 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3229 ldrd/strd with two 32-bit instructions.
3231 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3233 * config/arm/arm.c (struct processors): Pass for speed down into
3234 cost helper functions.
3235 (const_ok_for_op): Handle COMPARE and inequality nodes.
3236 (arm_rtx_costs_1): Rewrite.
3237 (arm_size_rtx_costs): Update prototype.
3238 (arm_rtx_costs): Pass speed down to helper functions.
3239 (arm_slowmul_rtx_costs): Rework cost calculations.
3240 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3241 (arm_9e_rtx_costs): Likewise.
3243 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3245 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3246 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3247 (alpha_legitimize_address): Do not split local symbols wider than
3248 UNITS_PER_WORD into HIGH/LO_SUM parts.
3250 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3253 * gcc.c (process_command): Replace call to execvp with calls
3254 to pex_one and exit.
3256 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3259 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3260 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3261 variant for devices with 3-byte PC.
3262 (__tablejump_elpm__) : New.
3264 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3267 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3268 offsetof member-designator, handle it as `[0].'.
3270 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3272 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3273 function when not using named sections on targets with named sections
3274 if branch distance is less than 262132.
3276 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3278 * combine.c (combine_instructions): Recompute
3279 optimize_this_for_speed_p for each BB in the main combine loop.
3281 2009-01-12 Tomas Bily <tbily@suse.cz>
3284 * tree-loop-distribution.c (prop_phis): New function.
3285 (generate_builtin): Call prop_phis.
3286 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3288 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3290 PR tree-optimization/38807
3291 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3292 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3294 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3296 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3297 subreg of op0 to the original op0.
3299 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3301 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3303 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3306 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3307 starting with digits.
3309 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3312 * config/arm/arm.c (arm_is_long_call_p): Don't call
3313 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3315 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3317 * regrename.c (regrename_optimize): Fix dumping.
3318 (find_oldest_value_reg): Preserve REG_POINTER.
3319 (copy_hardreg_forward_1): Likewise.
3321 2009-01-09 Diego Novillo <dnovillo@google.com>
3323 * gimple.h (struct gimple_statement_base) <uid>: Document
3324 the restrictions on its use.
3326 (gimple_set_uid): Tidy.
3328 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3330 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3331 zero guard even if align_bytes != 0 and count is smaller than
3334 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3336 PR rtl-optimization/38495
3337 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3338 (add_range_and_copies_from_move_list): Print all added ranges.
3339 Add ranges to memory optimized destination.
3341 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3345 * config/i386/i386.c (override_options): Reject
3346 -mstringop-strategy=rep_8byte with -m32.
3347 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3348 to 1. Do count comparison against epilogue_size_needed at compile
3349 time even when count_exp was constant forced into register. For
3350 size_needed don't jump to epilogue, instead just avoid aligning
3351 and invoke the body algorithm. If need_zero_guard, add zero guard
3352 even if count is non-zero, but smaller than size_needed + number of
3353 bytes that could be stored for alignment.
3354 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3355 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3356 but smaller than size_needed + number of bytes that could be stored
3357 for alignment. Compare size_needed with epilogue_size_needed instead
3358 of desired_align - align, don't adjust size_needed, pass
3359 epilogue_size_needed to the epilogue expanders.
3362 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3364 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3366 * pa.c (last_address): Change to unsigned.
3367 (update_total_code_bytes): Change argument to unsigned. Don't
3368 check if insn addresses are set.
3369 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3370 addresses are not set.
3371 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3373 2009-01-09 Nick Clifton <nickc@redhat.com>
3375 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3376 DECL_DECLARED_INLINE_P.
3378 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3381 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3382 GET_MODE (op0) in operand_subword_force calls.
3385 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3386 fold_convert arg0 operands to TREE_TYPE (op0) first.
3388 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3390 * params.def (ira-max-conflict-table-size): Decrease default value
3393 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3395 PR tree-optimization/37031
3396 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3398 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3399 allocate it using gc instead of heap, use VEC_quick_push instead of
3401 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3402 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3403 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3404 allocated vector from heap allocated.
3405 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3406 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3407 vector only after perfect_loop_nest_depth call.
3409 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3410 Jan Sjodin <jan.sjodin@amd.com>
3412 PR tree-optimization/38559
3413 * graphite.c (debug_value, copy_constraint,
3414 swap_constraint_variables, scale_constraint_variable, ): New.
3415 (get_lower_bound, get_upper_bound): Removed.
3416 (graphite_trans_bb_strip_mine): Clean up this code that works
3417 only for constant number of iterations. Fully copy upper and
3418 lower bound constraints, not only the constant part of them.
3419 * graphite.h (debug_value): Declared.
3421 2009-01-08 Ira Rosen <irar@il.ibm.com>
3423 PR tree-optimization/37194
3424 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3425 Don't add the cost of cost model guard in prologue to scalar
3426 outside cost in case of known number of iterations.
3428 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3429 Alan Modra <amodra@bigpond.net.au>
3431 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3432 non-word-aligned REG+CONST addressing.
3434 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3437 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3438 free_after_compilation when outputting a thunk.
3439 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3440 Do not call free_after_compilation here.
3442 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3444 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3445 (ix86_valid_target_attribute_inner_p): Ditto.
3447 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3449 PR tree-optimization/38492
3450 PR tree-optimization/38498
3451 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3452 * tree-chrec.h (scev_is_linear_expression): Declared.
3453 * graphite.c (graphite_cannot_represent_loop_niter): New.
3454 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3455 (graphite_loop_normal_form): Use gcc_assert.
3456 (scan_tree_for_params): Use CASE_CONVERT.
3457 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3458 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3459 Use gcc_assert. Discard scops that contain unhandled cases.
3460 (build_scop_conditions): Return a boolean status for unhandled cases.
3461 (strip_mine_profitable_p): Print the loop number, not its depth.
3462 (is_interchange_valid): Pass the depth of the loop nest, don't
3463 recompute it wrongly.
3464 (graphite_trans_bb_block): Same.
3465 (graphite_trans_bb_block): Print tentative of loop blocking.
3466 (graphite_trans_scop_block): Do not print that the loop has been
3468 (graphite_transform_loops): Do not handle scops that contain condition
3471 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3473 AVX Programming Reference (December, 2008)
3474 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3475 (_mm256_stream_pd): Likewise.
3476 (_mm256_stream_ps): Likewise.
3478 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3479 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3480 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3481 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3482 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3483 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3484 (ix86_expand_special_args_builtin): Likewise.
3486 * config/i386/sse.md (AVXMODEDI): New.
3487 (avx_movnt<mode>): Likewise.
3488 (avx_movnt<mode>): Likewise.
3489 (<sse>_movnt<mode>): Remove AVX support.
3490 (sse2_movntv2di): Likewise.
3492 2009-01-07 Richard Guenther <rguenther@suse.de>
3495 * fold-const.c (extract_muldiv): Remove obsolete comment.
3496 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3497 to PLUS_EXPR canonicalization for the canonicalization.
3499 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3501 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3502 hosted cross-compilers generating less efficient code.
3504 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3506 * function.h (rtl_data): Add a dbr_scheduled_p field.
3507 * reorg.c (dbr_schedule): Set it.
3508 (gate_handle_delay_slots): Check it.
3509 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3510 (mips_reorg): Check flag_delayed_branch instead of
3511 mips_base_delayed_branch.
3512 (mips_override_options): Don't set mips_base_delayed_branch
3513 or flag_delayed_branch.
3515 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3517 PR rtl-optimization/38426.
3518 * ira.c (ira): Set current_function_is_leaf earlier.
3520 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3522 PR rtl-optimization/38722
3523 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3524 too early, only set a flag and modify after last possible
3527 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3530 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3531 * real.c (decimal_single_format): Correct values of emin and emax.
3532 (decimal_double_format): Ditto.
3533 (decimal_quad_format): Ditto.
3534 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3535 computation of DECnn_MIN and DECnn_MAX for corrected values of
3536 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3537 __DECnn_MIN__, and adjust its computation for the corrected value
3540 2009-01-06 Jan Hubicka <jh@suse.cz>
3543 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3545 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3547 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3548 Add Robert Clark to the list of testers.
3550 2009-01-06 Jan Hubicka <jh@suse.cz>
3551 Kai Tietz <kai.tietz@onevision.com>
3553 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3554 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3556 2009-01-06 Jan Hubicka <jh@suse.cz>
3557 Kai Tietz <kai.tietz@onevision.com>
3559 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3561 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3562 (ix86_nsaved_regs): Count only general purpose regs.
3563 (ix86_nsaved_sseregs): New.
3564 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3565 to 16 for w64; compute padding and size of sse reg save area.
3566 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3567 general purpose regs.
3568 (ix86_emit_save_sse_regs_using_mov): New.
3569 (ix86_expand_prologue): Save SSE regs if needed.
3570 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3571 (ix86_emit_restore_sse_regs_using_mov): New.
3572 (ix86_expand_epilogue): Save SSE regs if needed.
3574 2009-01-06 Jan Hubicka <jh@suse.cz>
3575 Kai Tietz <kai.tietz@onevision.com>
3577 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3578 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3579 functions when accumulate outgoing args is off.
3581 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3584 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3585 before using pseudos_have_intersected_live_ranges_p.
3587 * ira-int.h (ira_assert): Always define.
3589 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3591 AVX Programming Reference (December, 2008)
3592 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3593 (_mm256_permute2_pd): Likewise.
3594 (_mm_permute2_ps): Likewise.
3595 (_mm256_permute2_ps): Likewise.
3596 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3597 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3599 * config/i386/i386.c (ix86_builtins): Remove
3600 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3601 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3602 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3603 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3604 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3605 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3606 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3607 __builtin_ia32_vpermil2ps256.
3608 (ix86_init_mmx_sse_builtins): Updated.
3609 (ix86_expand_args_builtin): Likewise.
3611 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3613 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3614 long absolute calls when generating PA 2.0 code.
3616 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3618 PR rtl-optimization/38583
3619 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3621 * params.def (ira-max-conflict-table-size): New.
3623 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3625 * ira.h (ira_conflicts_p): New external definition.
3627 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3628 table. Report this. Return result of building.
3629 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3630 building conflict table.
3632 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3633 (ira_color): Use ira_conflicts_p.
3635 * global.c: Include ira.h.
3636 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3639 * Makefile.in (global.o): Add ira.h.
3641 * ira-build.c (mark_all_loops_for_removal,
3642 propagate_some_info_from_allocno): New.
3643 (remove_unnecessary_allocnos): Call
3644 propagate_some_info_from_allocno.
3645 (remove_low_level_allocnos): New.
3646 (remove_unnecessary_regions): Add parameter. Call
3647 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3648 parameter to remove_unnecessary_regions.
3649 (ira_build): Remove all regions but root if the conflict table was
3650 not built. Update conflict hard regs for allocnos crossing calls.
3652 * ira.c (ira_conflicts_p): New global.
3653 (ira): Define and use ira_conflicts_p.
3655 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3656 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3657 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3659 2009-01-06 Ben Elliston <bje@au.ibm.com>
3661 * gengtype-lex.l (YY_NO_INPUT): Define.
3663 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3666 * c-common.c (handle_vector_size_attribute): Also reject
3669 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3671 PR tree-optimization/38492
3672 * graphite.c (rename_map_elt, debug_rename_elt,
3673 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3674 rename_map_elt_info, eq_rename_map_elts,
3675 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3676 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3677 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3678 (sese_build_livein_liveouts): New.
3679 (new_sese, free_sese): New.
3680 (new_scop): Call new_sese.
3681 (free_scop): Call free_sese.
3682 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3683 (register_old_new_names): Renamed register_old_and_new_names.
3684 (register_scop_liveout_renames, add_loop_exit_phis,
3685 insert_loop_close_phis, struct igp,
3686 default_liveout_before_guard, add_guard_exit_phis,
3687 insert_guard_phis, copy_renames): New.
3688 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3689 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3690 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3691 (scop_adjust_phis_for_liveouts): New.
3692 (gloog): Call scop_adjust_phis_for_liveouts.
3694 * graphite.h (struct sese): Documented. Added fields liveout,
3696 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3697 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3698 (struct scop): Added field liveout_renames.
3699 (SCOP_LIVEOUT_RENAMES): New.
3701 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3703 PR tree-optimization/38510
3704 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3705 (translate_clast): Call recompute_all_dominators before
3707 (gloog): Call recompute_all_dominators before graphite_verify.
3709 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3710 Jan Sjodin <jan.sjodin@amd.com>
3712 PR tree-optimization/38500
3713 * graphite.c (create_sese_edges): Call fix_loop_structure after
3716 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3718 * config.gcc: Add m32r*-*-rtems*.
3719 * config/m32r/rtems.h: New file.
3721 2009-01-05 Ben Elliston <bje@au.ibm.com>
3723 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3724 (.po.pox): Likewise.
3725 (po/gcc.pot): Likewise.
3727 2009-01-04 David S. Miller <davem@davemloft.net>
3729 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3730 (STARTING_FRAME_OFFSET): Always set to zero.
3732 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3734 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3735 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3736 fixed-point types, and vectors of the same.
3738 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3740 * config/mips/sync.md (*mb_barrier): Rename to...
3741 (*memory_barrier): ...this.
3743 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3745 * doc/extend.texi (Function Attributes): Move @cindex after @item
3746 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3747 and put in alphabetical order. Fix 'target' name and put in order.
3748 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3751 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3753 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3754 (memory_barrier): Expand as unspec instead of unspec_volatile.
3755 Remove mem:BLK from insn operands. Use Pmode scratch register.
3756 (*memory_barrier): Define as unspec instead of unspec_volatile.
3757 Use (match_dup 0) as input operand.
3759 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3760 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3761 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3762 scratch register. Remove operand 1.
3763 (*stbar): Define as unspec instead of unspec_volatile.
3764 Use (match_dup 0) as input operand, remove (const_int 8).
3765 (*membar): Define as unspec instead of unspec_volatile.
3766 Use (match_dup 0) as input operand, remove input operand 2.
3768 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3769 (memory_barrier): Expand as unspec instead of unspec_volatile.
3770 Remove mem:BLK from insn operands. Use Pmode scratch register.
3771 (*memory_barrier): Define as unspec instead of unspec_volatile.
3772 Use (match_dup 0) as input operand.
3774 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3775 Remove mem:BLK from insn operands. Use Pmode scratch register.
3776 Set volatile flag on operand 0.
3777 (*memory_barrier): New insn pattern.
3779 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3781 (*memory_barrier): Use (match_dup 0) as input operand.
3783 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3784 Remove mem:BLK from insn operands. Use Pmode scratch register.
3785 Set volatile flag on operand 0.
3786 (*mb_internal): New insn pattern.
3788 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3790 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3793 * function.c (struct temp_slot): Move to the section of the file
3794 that deals with temp slots. Remove field 'address'.
3795 (temp_slot_address_table): New hash table of address -> temp slot.
3796 (struct temp_slot_address_entry): New struct, items for the table.
3797 (temp_slot_address_compute_hash, temp_slot_address_hash,
3798 temp_slot_address_eq, insert_temp_slot_address): Support functions
3800 (find_temp_slot_from_address): Rewrite to use the new hash table.
3801 (remove_unused_temp_slot_addresses): Remove addresses of temp
3802 slots that have been made available.
3803 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3804 worker function for remove_unused_temp_slot_addresses.
3805 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3806 Add the temp slot address to the address -> temp slot map.
3807 (update_temp_slot_address): Update via insert_temp_slot_address.
3808 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3809 (pop_temp_slots): Likewise.
3810 (init_temp_slots): Allocate the address -> temp slot map, or empty
3811 the map if it is already allocated.
3812 (prepare_function_start): Initialize temp slot processing.
3814 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3817 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3818 Calculate the size of all stack vars assuming no packing of stack
3819 vars will happen, replacing a quadratic algorithm with a linear one.
3821 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3824 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3827 2009-01-03 Diego Novillo <dnovillo@google.com>
3829 * doc/contrib.texi: Update contributions.
3831 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3834 * builtins.c (fold_builtin_memory_op): Give up if either operand
3835 is volatile. Set srctype or desttype to non-qualified version
3839 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3842 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3844 PR rtl-optimization/35805
3845 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3846 problem if fast dce is able to remove any instructions.
3847 * dce.c (dce_process_block): Fix dump message.
3849 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3852 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3854 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3857 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3858 * tree-pretty-print.c (op_code_prio): New function.
3859 (op_prio): No longer static. Use op_code_prio.
3860 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3861 Use op_prio and op_code_prio to determine if () should be
3862 printed around operand(s) or not.
3864 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3865 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3866 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3867 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3868 pp_character instead of pp_string for single letter printing.
3870 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3872 * doc/extend.texi: Fix '#pragma GCC option' typo.
3874 2009-01-02 Richard Guenther <rguenther@suse.de>
3876 * doc/install.texi (--enable-checking): Mention different
3878 (--enable-stage1-checking): Document.
3880 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3883 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3884 case to be an error.
3886 2009-01-02 Ben Elliston <bje@au.ibm.com>
3888 * config/fp-bit.h (pack_d): Constify argument.
3889 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3890 (isnan): Constify argument.
3894 (_fpadd_parts): Constify return type.
3895 (_fpmul_parts): Likewise.
3896 (_fpdiv_parts): Likewise.
3898 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3901 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3902 warn about overwriting initializer with side-effects or
3903 -Woverride-init if !IMPLICIT.
3904 (output_init_element): Likewise. Pass IMPLICIT down to
3906 (process_init_element): Add IMPLICIT argument. Pass it down
3907 to output_init_element.
3908 (push_init_element, pop_init_level, set_designator): Adjust
3909 process_init_element callers.
3910 (set_nonincremental_init, set_nonincremental_init_from_string):
3911 Adjust add_pending_init callers.
3912 (output_pending_init_elements): Adjust output_init_element callers.
3913 * c-tree.h (process_init_element): Adjust prototype.
3914 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3915 process_init_element callers.