1 2009-03-28 Jakub Jelinek <jakub@redhat.com>
4 * opts.c (warning_disallowed_functions, warn_disallowed_functions,
5 warn_if_disallowed_function_p): Removed.
6 (common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
7 * c-parser.c (c_parser_postfix_expression_after_primary): Don't call
8 warning_if_disallowed_function_p.
9 * flags.h (warn_if_disallowed_function_p,
10 warn_disallowed_functions): Removed.
11 * common.opt (Wdisallowed-function-list=): Removed.
12 * doc/invoke.texi (-Wdisallowed-function-list=): Removed.
14 2009-03-28 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/38723
17 * tree-ssa-pre.c (compute_avail): Add all default definitions to
20 2009-03-28 Jan Hubicka <jh@suse.cz>
22 * tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
23 test introduced by my previous patch.
25 2009-03-28 Richard Guenther <rguenther@suse.de>
27 * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
28 the PHIs value undefined.
30 2009-03-28 Jan Hubicka <jh@suse.cz>
32 * tree-pass.h (pass_fixup_cfg): New pass.
33 * ipa-inline.c (inline_transform): Set
34 always_inline_functions_inlined/after_inlining.
35 * tree-optimize.c (execute_fixup_cfg): Do not set them here.
36 (pass_fixup_cfg): New pass.
37 * passes.c (init_optimization_passes): Add fixup_cfg.
39 2009-03-28 Richard Guenther <rguenther@suse.de>
41 PR tree-optimization/38458
42 * tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
43 argument use the arguments copy-of value.
45 2009-03-28 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/38180
48 * tree-ssa-ccp.c (get_default_value): Simplify.
49 (likely_value): Likewise.
50 (surely_varying_stmt_p): Properly handle VOP case.
51 (ccp_initialize): Likewise.
52 (ccp_fold): Handle propagating through *&.
53 (fold_const_aggregate_ref): Also handle decls.
55 2009-03-28 Jan Hubicka <jh@suse.cz>
57 * cgraph.c (dump_cgraph_node): Add replace output flag by process.
58 * cgraph.h (cgraph_node): Likewise.
59 * cgraphunit.c (cgraph_process_new_functions): Set process flag.
60 (cgraph_reset_node): Use process flag.
61 (cgraph_mark_functions_to_output): Likewise.
62 (cgraph_expand_function): Likewise.
63 (cgraph_expand_all_functions): Likewise.
64 (cgraph_output_in_order): Likewise.
65 * dwarf2out.c (reference_to_unused): Likewise.
66 * passes.c do_per_function_toporder): Likewise.
68 2009-03-28 Jan Hubicka <jh@suse.cz>
70 Bring from lto-branch:
71 2008-09-03 Doug Kwan <dougkwan@google.com>
73 * cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
74 enums instead of reason strings.
75 * cgraph.c (cgraph_create_edge): Same.
76 (cgraph_inline_failed_string): New function.
77 * cgraph.h (cgraph_inline_failed_t): New enum type.
78 (cgraph_inline_failed_string): New prototype.
79 (struct cgraph_edge): Change type of INLINED_FAILED from constant
80 char pointer to cgraph_inline_failed_t.
81 (cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
82 (cgraph_default_inline_p): Ditto.
83 * gcc/cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
84 to cgraph_inline_failed_t pointer.
85 * cif-code.def: New file.
86 * ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
88 (cgraph_check_inline_limits): Change type of REASON to pointer to
89 cgraph_inline_failed_t. Replace reason strings with enums.
90 (cgraph_default_inline_p): Ditto.
91 (cgraph_recursive_inlining_p): Ditto.
92 (update_caller_keys): Change type of FAILED_REASON to
93 cgraph_inline_failed_t.
94 (cgraph_set_inline_failed): Change type of REASON to pointer to
95 cgraph_inline_failed_t. Call cgraph_inline_failed_string to
96 convert enums to strings for text output.
97 (cgraph_decide_inlining_of_small_function): Change FAILED_REASON
98 to be of type cgraph_inline_failed_t. Replace reason strings with
99 enums. Call cgraph_inline_failed_string to covert enums
100 to strings for text output.
101 (cgraph_decide_inlining): Replace reason strings with enums.
102 (cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
103 to cgraph_inline_failed_t type. Call cgraph_inline_failed_string
105 * tree-inline.c (expand_call_inline): Change type of REASON
106 to cgraph_inline_failed_t. Replace reason strings with enums.
107 Call cgraph_inline_failed_string for text output.
108 * Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
111 2009-03-28 Jan Hubicka <jh@suse.cz>
113 * cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
114 cgraph_clone_node): Remove master clone handling.
115 (cgraph_is_master_clone, cgraph_master_clone): Remove.
116 * cgraph.h (master_clone): Remove.
117 (cgraph_is_master_clone, cgraph_master_clone): Remove.
118 * ipa-type-escape.c (type_escape_execute): Remove use of master clone.
119 (tree-ssa-structalias.c (ipa_pta_execute): Likewise.
121 2009-03-28 Jan Hubicka <jh@suse.cz>
123 * cgraph.c (cgraph_function_body_availability): Functions declared
124 inline are always safe to assume that it is not going to be replaced.
126 2009-03-28 Richard Guenther <rguenther@suse.de>
128 PR tree-optimization/38513
129 * tree-ssa-pre.c (eliminate): Remove redundant stores.
130 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
131 EXC_PTR_EXPR and FILTER_EXPR.
132 (get_ref_from_reference_ops): Likewise.
134 2009-03-28 Richard Guenther <rguenther@suse.de>
136 PR tree-optimization/38968
137 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
138 Use FLOOR_MOD_EXPR to compute misalignment.
140 2009-03-28 Richard Guenther <rguenther@suse.de>
142 PR tree-optimization/37795
143 * tree.h (combine_comparisons): Declare.
144 * fold-const.c (combine_comparisons): Export.
145 * tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
147 (ifcombine_iforif): Use combine_comparisons.
149 2009-03-28 Jan Hubicka <jh@suse.cz>
151 * tree-eh.c (inlinable_call_p): New function.
152 (make_eh_edges): Use it.
153 (verify_eh_edges): Use it.
154 (stmt_can_throw_external, stmt_can_throw_internal): Use it.
155 * except.c (reachable_next_level): Add inlinable_function argument
156 (sjlj_find_directly_reachable_regions): Update.
157 (add_reachable_handler): Do not set saw_any_handlers.
158 (reachable_next_level): Handle MUST_NOT_THROW more curefully.
159 (foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
160 Add new inlinable call parameter.
161 (can_throw_internal, can_throw_external): Update.
162 * except.h (can_throw_internal_1, can_throw_external_1,
163 foreach_reachable_handler): Update declaration.
165 2009-03-28 Joseph Myers <joseph@codesourcery.com>
167 * config/arm/t-arm-coff, config/h8300/coff.h,
168 config/i386/i386-aout.h, config/i386/i386-coff.h,
169 config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
170 config/pdp11/2bsd.h, config/rs6000/aix41.h,
171 config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
172 fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
173 scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
175 * Makefile.in: Remove protoize and fixproto support and references
177 (SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
178 PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
180 (ALL_HOST_OBJS): Remove $(PROTO_OBJS).
181 (MOSTLYCLEANFILES): Remove protoize$(exeext) and
183 (rest.encap): Don't depend on $(STMP_FIXPROTO)
184 (.PHONY): Don't depend on proto.
185 (libgcc-support): Don't depend on $(STMP_FIXPROTO).
186 (proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
187 protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
188 deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
189 build/gen-protos.o, build/scan.o, xsys-protos.h,
190 build/fix-header$(build_exeext), build/fix-header.o,
191 build/scan-decls.o, fixhdr.ready, stmp-fixproto,
192 stmp-install-fixproto): Remove.
193 (mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
194 SYSCALLS.c or fixproto files.
195 (install-common): Don't install protoize.
196 (install-headers-tar, install-headers-cpio, install-headers-cp):
197 Don't depend on $(STMP_FIXPROTO).
198 (install-mkheaders): Don't depend on $(STMP_FIXPROTO). Don't
199 install fixproto files or write out fixproto settings.
200 (uninstall): Don't uninstall protoize.
201 * config.gcc (use_fixproto): Remove.
202 (arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
203 i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
204 rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
205 * config/m32r/t-linux (STMP_FIXPROTO): Remove.
206 * config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
207 * config/mips/t-iris (FIXPROTO_DEFINES): Remove.
208 * config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
209 * config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
210 * config/t-svr4 (FIXPROTO_DEFINES): Remove.
211 * config/t-vxworks (STMP_FIXPROTO): Remove.
212 * configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
213 STMP_FIXPROTO): Remove.
214 * config.in, configure: Regenerate.
215 * crtstuff.c (gid_t, uid_t): Don't undefine.
216 * doc/install.texi: Change m68k-coff to m68k-elf in example.
217 (arm-*-coff, arm-*-aout: Remove target entries.
218 (*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
219 Remove mention of AIX 4.1.
220 (m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
221 * doc/invoke.texi (Running Protoize): Remove.
222 * doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
223 (Protoize Caveats): Remove.
224 * tsystem.h: Update comments on headers assumed to exist.
226 2009-03-27 Vladimir Makarov <vmakarov@redhat.com>
228 * genautomata.c: Add a new year to the copyright. Add a new
230 (struct insn_reserv_decl): Add comments for member bypass_list.
231 (find_bypass): Remove.
232 (insert_bypass): New.
233 (process_decls): Use insert_bypass.
234 (output_internal_insn_latency_func): Output all bypasses with the
235 same input insn in one switch case.
237 * rtl.def (define_bypass): Describe bypass choice.
238 * doc/md.texi (define_bypass): Ditto.
240 2009-03-27 Richard Guenther <rguenther@suse.de>
242 * gimplify.c (mark_addressable): Export.
243 * tree-flow.h (mark_addressable): Declare.
244 * tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
245 * tree-ssa.c (verify_phi_args): Verify that address taken
246 variables have TREE_ADDRESSABLE set.
248 2009-03-27 Richard Guenther <rguenther@suse.de>
250 * fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
251 (build_fold_addr_expr_with_type): ... this. Remove in_fold handling.
252 Do not mark decls TREE_ADDRESSABLE.
253 (build_fold_addr_expr): Adjust.
254 (fold_addr_expr): Remove.
255 (fold_unary): Use build_fold_addr_expr.
256 (fold_comparison): Likewise.
257 (split_address_to_core_and_offset): Likewise.
258 * coverage.c (tree_coverage_counter_addr): Mark the array decl
260 * gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
261 (gimplify_modify_expr_to_memcpy): Mark source and destination
263 * omp-low.c (create_omp_child_function): Mark the object decl
265 (lower_rec_input_clauses): Mark the var we take the address of
267 (lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.
269 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
272 * cfgexpand.c (expand_one_stack_var_at): Change alignment
273 limit to MAX_SUPPORTED_STACK_ALIGNMENT.
275 2009-03-27 Richard Guenther <rguenther@suse.de>
277 PR tree-optimization/39120
278 * tree-ssa-structalias.c (handle_rhs_call): Fill out return
280 (handle_lhs_call): Process return constraints. Add escape
281 constraints if necessary.
282 (handle_const_call): Fill out return constraints. Make nested
283 case more precise. Avoid consttmp if possible.
284 (handle_pure_call): Fill out return constraints. Avoid
285 callused if possible.
286 (find_func_aliases): Simplify call handling.
288 2009-03-27 Richard Guenther <rguenther@suse.de>
290 PR tree-optimization/39120
291 * tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
293 (solve_graph): Do propagate CALLUSED.
294 (handle_pure_call): Use a scalar constraint from CALLUSED for
296 (find_what_p_points_to): CALLUSED shall not appear in poins-to
299 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
302 * c-common.c (handle_aligned_attribute): Properly check alignment
303 overflow. Use (1U << i) instead of (1 << i).
305 * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
308 * expr.h (get_mem_align_offset): Updated.
310 * tree.h (tree_decl_common): Change align to "unsigned int" and
311 move it before pointer_alias_set.
313 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
314 Jakub Jelinek <jakub@redhat.com>
317 * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
318 gr_register_operand with gr_reg_or_0_operand.
319 (cmpxchg_rel_di): Likewise.
320 (sync_lock_test_and_set<mode>): Likewise.
322 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
324 * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
325 (true_regnum): Likewise.
327 * rtlanal.c (subreg_info): Moved to ...
328 * rtl.h (subreg_info): Here. New.
329 (subreg_get_info): New.
331 * rtlanal.c (subreg_get_info): Make it extern.
333 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
336 * config/i386/i386.c (ix86_abi): New.
337 (override_options): Handle -mabi=.
338 (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
340 (ix86_call_abi_override): Likewise.
341 (init_cumulative_args): Likewise.
342 (function_arg_advance): Likewise.
343 (function_arg_64): Likewise.
344 (function_arg): Likewise.
345 (ix86_pass_by_reference): Likewise.
346 (ix86_function_value_regno_p): Likewise.
347 (ix86_build_builtin_va_list_abi): Likewise.
348 (setup_incoming_varargs_64): Likewise.
349 (is_va_list_char_pointer): Likewise.
350 (ix86_init_machine_status): Likewise.
351 (ix86_reg_parm_stack_space): Use enum calling_abi on
353 (ix86_function_type_abi): Return enum calling_abi. Rewrite
354 for 64bit. Replace DEFAULT_ABI with ix86_abi.
355 (ix86_function_abi): Make it static and return enum
357 (ix86_cfun_abi): Return enum calling_abi. Replace DEFAULT_ABI
359 (ix86_fn_abi_va_list): Updated.
361 * config/i386/i386.h (ix86_abi): New.
362 (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
363 (CONDITIONAL_REGISTER_USAGE): Likewise.
364 (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
365 (machine_function): Likewise.
367 * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
369 * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
370 (STACK_BOUNDARY): Likewise.
371 * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
373 * config/i386/i386.opt (mabi=): New.
375 * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
376 return enum calling_abi.
377 (ix86_function_type_abi): Likewise.
378 (ix86_function_abi): Removed.
380 * doc/invoke.texi: Document -mabi= option for x86.
382 2009-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
384 * builtins.c (real_dconstp): Delete.
385 (fold_builtin_logarithm): Remove inaccurate log(e) special case.
387 2009-03-27 Dodji Seketeli <dodji@redhat.com>
388 Jakub Jelinek <jakub@redhat.com>
391 * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
392 (gen_subprogram_die): When a function is explicit, generate the
393 DW_AT_explicit attribute.
394 * langhooks.h (struct lang_hooks_for_decls): Add
395 function_decl_explicit_p langhook.
396 * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
397 (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
399 2009-03-27 Jakub Jelinek <jakub@redhat.com>
401 * builtins.c (fold_builtin_memory_op): Optimize memmove
402 into memcpy if we can prove source and destination don't overlap.
404 * tree-inline.c: Include gt-tree-inline.h.
405 (clone_fn_id_num): New variable.
406 (clone_function_name): New function.
407 (tree_function_versioning): Use it.
408 * Makefile.in (GTFILES): Add tree-inline.c.
410 2009-03-27 Mark Mitchell <mark@codesourcery.com>
412 * BASE-VER: Change to 4.5.0.
414 2009-03-27 Xinliang David Li <davidxl@google.com>
416 PR tree-optimization/39557
417 * tree-ssa.c (warn_uninitialized_vars): free postdom info.
419 2009-03-27 Xinliang David Li <davidxl@google.com>
421 PR tree-optimization/39548
422 * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
425 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
427 * c-common.c (pointer_int_sum): Use %wd on return from
430 2009-03-27 H.J. Lu <hongjiu.lu@intel.com>
432 * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
433 on return from tree_low_cst.
435 2009-03-27 Andrew Pinski <andrew_pinski@playstation.sony.com>
438 * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
440 2009-03-27 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
443 * builtins.h (c_strlen): Do not warn here.
444 * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
445 * c-common.c (pointer_int_sum): Take an explicit location.
446 Warn about offsets out of bounds.
447 * c-common.h (pointer_int_sum): Adjust declaration.
449 2009-03-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
451 * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
454 2009-03-26 Jakub Jelinek <jakub@redhat.com>
457 * opts.c (warn_if_disallowed_function_p): Don't assume
458 get_callee_fndecl must return non-NULL.
460 2009-03-26 Vladimir Makarov <vmakarov@redhat.com>
462 PR rtl-optimization/39522
463 * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
464 when reg_reloaded_valid is set.
466 2009-03-26 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
468 * config/spu/divv2df3.c: New file.
469 * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
470 (DPBIT_FUNCS): Filter out _div_df.
472 2009-03-26 Bernd Schmidt <bernd.schmidt@analog.com>
474 * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
475 a jump insn, count that jump in the distance to the loop start.
477 2009-03-25 Kaz Kojima <kkojima@gcc.gnu.org>
480 * config/sh/sh.c (calc_live_regs): Fix condition for global
481 registers except PIC_OFFSET_TABLE_REGNUM.
483 2009-03-25 Kai Tietz <kai.tietz@onevision.com>
486 * doc/invoke.texi (-mconsole): New.
490 (-mnop-fun-dllimport): New.
494 (sub section "i386 and x86-64 Windows Options"): New.
496 2009-03-25 Ralf Corsépius <ralf.corsepius@rtems.org>
498 * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
499 * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
501 2009-03-25 Richard Guenther <rguenther@suse.de>
504 * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
507 2009-03-25 Andrey Belevantsev <abel@ispras.ru>
509 * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
510 neither of haifa/selective schedulers are working.
512 2009-03-25 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
514 * doc/invoke.texi (Debugging Options): Fix description of
515 -fno-merge-debug-strings.
517 2009-03-24 Hans-Peter Nilsson <hp@axis.com>
519 * config/cris/libgcc.ver: New version-script.
520 * config/cris/t-linux (SHLIB_MAPFILES): Use it.
522 * configure.ac <GAS features, nop mnemonic>: Add pattern
523 crisv32-*-* for "nop".
524 <GAS features, Thread-local storage>: Add item for CRIS and
526 * configure: Regenerate.
528 2009-03-24 Ira Rosen <irar@il.ibm.com>
530 PR tree-optimization/39529
531 * tree-vect-transform.c (vect_create_data_ref_ptr): Call
532 mark_sym_for_renaming for the tag copied to the new vector
535 2009-03-24 Arthur Loiret <aloiret@debian.org>
537 * config.host (alpha*-*-linux*): Use driver-alpha.o and
539 * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
540 EXTRA_SPEC_FUNCTIONS.
541 (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
542 * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
543 * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
544 -march and -mtune options.
546 2009-03-24 Ralf Corsépius <ralf.corsepius@rtems.org>
548 * config/m68k/t-rtems: Add m5329 multilib.
550 2009-03-24 Dodji Seketeli <dodji@redhat.com>
551 Jakub Jelinek <jakub@redhat.com>
554 * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
557 2009-03-23 Jakub Jelinek <jakub@redhat.com>
560 * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
561 instead of c_parser_expression_conv, if original_code isn't one of the
562 4 allowed comparison codes, fail.
564 2009-03-23 Richard Guenther <rguenther@suse.de>
566 * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
567 * tree.h (struct tree_type): Likewise.
568 * reload.h (struct insn_chain): Likewise.
569 * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
570 * function.h (struct function): Likewise.
571 * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
573 2009-03-23 Jakub Jelinek <jakub@redhat.com>
575 PR tree-optimization/39516
576 * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
578 2009-03-23 Bingfeng Mei <bmei@broadcom.com>
580 * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
581 should be set true if BITS_PER_WORD of target is bigger than 32
583 2009-03-22 Hans-Peter Nilsson <hp@axis.com>
585 * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
586 Translate -B-options to -rpath-link. Correct existing
587 rpath-link and conditionalize on !nostdlib.
589 2009-03-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
591 * doc/extend.texi (Function Attributes, Variable Attributes):
593 * doc/invoke.texi (Debugging Options, Optimize Options)
594 (i386 and x86-64 Options, MCore Options): Likewise.
596 2009-03-20 Jakub Jelinek <jakub@redhat.com>
599 * dwarf2out.c (gen_namespace_die): Add context_die argument and use
600 it for block local namespace aliases.
601 (gen_decl_die): Pass context_die to gen_namespace_die.
603 2009-03-19 Jakub Jelinek <jakub@redhat.com>
606 * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
607 minimum or maximum value.
609 2009-03-19 Alexandre Oliva <aoliva@redhat.com>
611 * reginfo.c (globalize_reg): Recompute derived reg sets.
613 2009-03-19 Ozkan Sezer <sezeroz@gmail.com>
616 * libgcc2.c (mprotect): Do not use signed arguments for
617 VirtualProtect, use DWORD arguments. Also fix the 'may
618 be used uninitialized' warning for the np variable.
620 2009-03-19 Jakub Jelinek <jakub@redhat.com>
623 * config/i386/i386.c (ix86_function_regparm): Don't optimize local
624 functions using regparm calling conventions when not optimizing.
625 (ix86_function_sseregparm): Similarly for sseregparm calling
628 2009-03-19 Li Feng <nemokingdom@gmail.com>
631 * tree-data-ref.c (analyze_subscript_affine_affine): There is no
632 dependence if the first conflict is after niter iterations.
634 2009-03-19 Hans-Peter Nilsson <hp@axis.com>
637 * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
638 functions with dynamic stack-pointer adjustments.
640 2009-03-19 Ben Elliston <bje@au.ibm.com>
642 * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
643 option; change to -msdata=data.
645 2009-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
647 * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
650 2009-03-18 Eric Botcazou <ebotcazou@adacore.com>
653 * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
655 2009-03-18 Sandra Loosemore <sandra@codesourcery.com>
657 * doc/invoke.texi (Code Gen Options): Expand discussion of
660 2009-03-18 Jakub Jelinek <jakub@redhat.com>
662 * dse.c (struct group_info): Reorder fields for 64-bit hosts.
663 * matrix-reorg.c (struct matrix_info): Likewise.
664 * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
665 * rtl.h (struct mem_attrs): Likewise.
666 * df.h (struct df): Likewise.
667 * tree-data-ref.h (struct data_dependence_relation): Likewise.
668 * ira-int.h (struct ira_allocno): Likewise.
669 * df-scan.c (struct df_collection_rec): Likewise.
670 * ira.c (struct equivalence): Likewise.
671 * function.c (struct temp_slot): Likewise.
672 * cfgloop.h (struct loop): Likewise.
675 * function.c (use_register_for_decl): When not optimizing, disregard
676 register keyword for variables with types containing methods.
678 2009-03-18 Sebastian Pop <sebastian.pop@amd.com>
681 * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
682 (is_simple_operand): Call contains_component_ref_p before calling data
683 reference analysis that would fail on COMPONENT_REFs.
685 * tree-vrp.c (search_for_addr_array): Fix formatting.
687 2009-03-18 Richard Guenther <rguenther@suse.de>
689 * tree-vect-transform.c (vect_loop_versioning): Fold the
690 generated comparisons.
691 * tree-vectorizer.c (set_prologue_iterations): Likewise.
692 (slpeel_tree_peel_loop_to_edge): Likewise.
694 2009-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
697 * opts.c (print_specific_help): In addition to `undocumented',
698 accept `separate' and `joined' flags if passed alone. Describe
699 output by the first matched one of those.
700 (common_handle_option): Skip over empty strings.
701 * gcc.c (display_help): Fix help string for `--help='.
702 * doc/invoke.texi (Option Summary, Overall Options): With
703 `--help=', classes and qualifiers can both be repeated, but
704 only the latter can be negated. One should not pass only
705 negated qualifiers. Fix markup and examples.
708 2008-10-14 Jakub Jelinek <jakub@redhat.com>
710 * opts.c (common_handle_option): Don't ICE on -fhelp=joined
713 2009-03-17 Jing Yu <jingyu@google.com>
716 * function.h (struct rtl_data): Move is_thunk from here...
717 (struct function): ...to here.
718 * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
719 * varasm.c (assemble_start_function): Change is_thunk from crtl to
721 * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
723 (alpha_does_function_need_gp, alpha_start_function): Likewise.
724 (alpha_output_function_end_prologue): Likewise.
725 (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
726 * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
727 (rs6000_output_function_epilogue): Likewise.
728 * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
730 2009-03-17 Uros Bizjak <ubizjak@gmail.com>
733 * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
734 from different units in a single alternative.
735 (*truncdfsf_i387): Ditto.
736 (*truncxfsf2_mixed): Ditto.
737 (*truncxfdf2_mixed): Ditto.
739 2009-03-17 Jakub Jelinek <jakub@redhat.com>
741 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
742 non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
745 * tree-ssa-live.c (remove_unused_locals): Don't remove local
746 unused non-artificial variables when not optimizing.
749 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
750 DW_TAG_imported_module even if decl is IMPORTED_DECL with
751 NAMESPACE_DECL in its DECL_INITIAL.
754 * optabs.c (set_user_assembler_libfunc): New function.
755 * expr.h (set_user_assembler_libfunc): New prototype.
756 * c-common.c: Include libfuncs.h.
757 (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
758 for memcmp, memset, memcpy, memmove and abort.
759 * Makefile.in (c-common.o): Depend on libfuncs.h.
762 * dwarf2out.c (gen_inlined_enumeration_type_die,
763 gen_inlined_structure_type_die, gen_inlined_union_type_die,
764 gen_tagged_type_instantiation_die): Removed.
765 (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
768 2009-03-17 Janis Johnson <janis187@us.ibm.com>
771 * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
773 (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
774 (check-parallel-%): Ditto.
775 (check-consistency): Ditto.
777 2009-03-17 Kai Tietz <kai.tietz@onevision.com>
779 * ipa-struct-reorg.c (create_general_new_stmt): Initialize
780 local variable rhs by NULL_TREE.
782 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
785 * doc/extend.texi: Correct register behavior for regparm on Intel 386.
787 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
790 * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
792 2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
795 * config/i386/i386.c (ix86_expand_call): Check extra clobbers
796 for ms->sysv ABI calls only in 64bit mode.
798 * config/i386/i386.md (untyped_call): Support 32bit.
800 2009-03-16 H.J. Lu <hongjiu.lu@intel.com>
802 * doc/extend.texi: Replace x86_65 with x86_64.
804 2009-03-16 Jakub Jelinek <jakub@redhat.com>
806 PR tree-optimization/39455
807 * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
808 mismatches for POINTER_TYPE_P (type).
809 (number_of_iterations_le): Likewise.
811 2009-03-16 Hariharan Sandanagobalane <hariharan@picochip.com>
813 * config/picochip/picochip.c: Removed profiling support.
814 * config/picochip/picochip.md: Removed profiling instruction.
815 * config/picochip/picochip.h: Removed profiling builtin.
817 2009-03-16 Joseph Myers <joseph@codesourcery.com>
819 * doc/install.texi (--with-host-libstdcxx): Document.
821 2009-03-14 Anatoly Sokolov <aesok@post.ru>
824 * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
825 generate a warning if the function name does not begin with
826 "__vector" and the function has either the 'signal' or 'interrupt'
827 attribute, from here to ...
828 (avr_declare_function_name): ...here. New function.
829 * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
830 * config/avr/avr-protos.h (avr_declare_function_name): Declare.
832 2009-03-14 Jakub Jelinek <jakub@redhat.com>
835 * cse.c (fold_rtx): Don't modify original const_arg1 when
836 canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
837 separate variable instead.
838 * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
839 from out of range shift counts.
840 (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
842 2008-03-13 Catherine Moore <clm@codesourcery.com>
844 * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
845 diagnostic.h with $(DIAGNOSTIC_H).
847 2008-03-12 Jakub Jelinek <jakub@redhat.com>
850 * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
852 * config/i386/sync.md (sync_compare_and_swap<mode>,
853 sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
854 if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
856 (sync_double_compare_and_swapdi_pic,
857 sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
858 cmpxchg8b_pic_memory_operand instead of just memory_operand.
860 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
863 * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
865 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
868 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
869 (avx_addsubv4df3): Likewise.
870 (*avx_addsubv4sf3): Likewise.
871 (sse3_addsubv4sf3): Likewise.
873 2009-03-12 H.J. Lu <hongjiu.lu@intel.com>
876 * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
878 2009-03-12 Vladimir Makarov <vmakarov@redhat.com>
881 * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
882 * ira-conflicts.c (ira_build_conflicts): Prohibit call used
883 registers for allocnos created from user-defined variables.
885 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
888 * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
889 of non-integer mode as well.
891 2009-03-11 Adam Nemet <anemet@caviumnetworks.com>
893 * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
894 for functions for which the parameter types are unknown.
896 2009-03-11 Jakub Jelinek <jakub@redhat.com>
899 * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
900 * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
901 * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
902 * config/i386/i386.c (ix86_local_alignment): For
903 -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
904 long long variables on the stack to avoid dynamic realignment.
905 Allow the first argument to be a decl rather than type.
906 * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
908 2009-03-11 Nick Clifton <nickc@redhat.com>
911 * config/mcore/mcore.opt: Remove deprecated m4align and m8align
913 Add description to mno-lsim option.
914 * config/mcore/mcore.h: Remove comment about deprecated m4align
916 (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
917 * doc/invoke.texi: Add description of mno-lsim and
918 mstack-increment options.
920 * config/fr30/fr30.opt: Document the -mno-lsim option.
921 * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
922 and -mno-lsim options.
924 2009-03-11 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
926 * fold-const.c (fold_comparison): Only call fold_inf_compare
927 if the mode supports infinities.
929 2009-03-11 Jason Merrill <jason@redhat.com>
932 * tree-nrv.c (tree_nrv): Don't do this optimization if the front
933 end already did. Notice GIMPLE_CALL modifications of the result.
934 Don't copy debug information from an ignored decl or a decl from
937 2009-03-10 Richard Guenther <rguenther@suse.de>
938 Nathan Froyd <froydnj@codesourcery.com>
941 * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
942 (__divMODE3): Likewise.
944 2009-03-09 Jakub Jelinek <jakub@redhat.com>
946 PR tree-optimization/39394
947 * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
948 DECL_SIZE_UNIT of variable length FIELD_DECLs.
950 2009-03-09 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
952 * recog.c (verfiy_changes): Disallow renaming of hard regs in
953 inline asms for register asm ("") declarations.
955 2009-03-09 Eric Botcazou <ebotcazou@adacore.com>
957 * fold-const.c (fold_unary): Fix comment.
959 2009-03-07 Jan Hubicka <jh@suse.cz>
962 * tree-inline.c (setup_one_parameter): Do replacement of const
963 argument by constant in SSA form.
965 2009-03-07 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
968 * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
969 determine alignment passed to assign_stack_local.
970 (assign_parms_unsplit_complex): Likewise.
971 * except.c (sjlj_build_landing_pads): Likewise.
973 2009-03-06 Jakub Jelinek <jakub@redhat.com>
976 * tree-flow.h (add_referenced_var): Return bool instead of void.
977 * tree-dfa.c (add_referenced_var): Return result of
978 referenced_var_check_and_insert call.
979 * tree-inline.c (expand_call_inline): Call add_referenced_var instead
980 of referenced_var_check_and_insert.
983 * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
984 (gen_variable_die): Emit DW_AT_location on abstract static variable's
985 DIE, don't emit it if abstract origin already has it.
986 * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
987 BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
989 2009-03-06 Jan-Benedict Glaw <jbglaw@lug-owl.de>
991 * genpreds.c: (needs_variable): Fix parentheses at variable name
993 (write_tm_constrs_h): Indent generated code.
995 2009-03-06 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
997 * doc/extend.texi (Function Attributes): Add documentation
1000 2009-03-06 Jakub Jelinek <jakub@redhat.com>
1003 * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
1004 take locus from its DECL_SOURCE_LOCATION instead of input_location.
1006 2009-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
1008 * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
1011 2009-03-05 Jakub Jelinek <jakub@redhat.com>
1014 * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
1015 with blocks containing IMPORTED_DECLs in BLOCK_VARS.
1017 2009-03-05 Uros Bizjak <ubizjak@gmail.com>
1019 * config/i386/i386.md (R8_REG, R9_REG): New constants.
1020 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
1021 constants instead of magic numbers.
1022 (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
1024 * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
1025 (x86_64_ms_abi_int_parameter_registers): Ditto.
1026 (x86_64_int_return_registers): Ditto.
1027 (ix86_maybe_switch_abi): Ditto.
1028 (ix86_expand_call): Ditto for clobbered_registers array.
1029 (ix86_hard_regno_mode_ok): Ditto.
1030 (x86_extended_QIreg_mentioned_p): Ditto.
1032 2009-03-05 J"orn Rennecke <joern.rennecke@arc.com>
1034 PR tree-optimization/39349
1035 * cse.c (cse_insn): Fix loop to stop at VOIDmode.
1037 * combine.c (gen_lowpart_for_combine): Use omode when generating
1040 2009-03-04 J"orn Rennecke <joern.rennecke@arc.com>
1042 PR rtl-optimization/39235
1043 * loop-iv.c (get_simple_loop_desc): Use XCNEW.
1045 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1047 * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
1049 2009-03-04 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/39362
1052 * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
1053 that occur in abnormal PHIs should be varying.
1055 2009-03-04 Zdenek Dvorak <ook@ucw.cz>
1057 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
1059 (simple_iv): Take loop as an argument instead of statement.
1060 * tree-scalar-evolution.h (simple_iv): Declaration changed.
1061 * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
1063 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
1065 * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
1066 * matrix-reorg.c (analyze_transpose): Ditto.
1067 * tree-data-ref.c (dr_analyze_innermost): Ditto.
1068 * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
1069 * tree-predcom.c (ref_at_iteration): Ditto.
1070 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
1072 2009-03-04 Richard Guenther <rguenther@suse.de>
1074 PR tree-optimization/39358
1075 * tree-ssa-structalias.c (do_sd_constraint): Fix check for
1076 escaped_id and callused_id.
1077 (solve_graph): Likewise.
1079 2009-03-04 Richard Guenther <rguenther@suse.de>
1081 PR tree-optimization/39339
1082 * tree-sra.c (try_instantiate_multiple_fields): Make it
1083 no longer ICE on the above.
1085 2009-03-03 Joseph Myers <joseph@codesourcery.com>
1087 * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
1088 that fits within Pmode.
1090 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1093 * tm.texi (LIBCALL_VALUE): Update description.
1095 2009-03-03 Steve Ellcey <sje@cup.hp.com>
1098 * doc/extend.texi (section): Update description.
1100 2009-03-03 H.J. Lu <hongjiu.lu@intel.com>
1103 * tree-inline.c (remapped_type): New.
1104 (can_be_nonlocal): Call remapped_type instead of remap_type.
1106 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1109 * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
1110 TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
1112 2009-03-03 Richard Guenther <rguenther@suse.de>
1115 * tree.c (tree_nonartificial_location): New function.
1116 * tree.h (tree_nonartificial_location): Declare.
1117 * builtins.c (expand_builtin_memory_chk): Provide location
1118 of the call location for artificial function pieces.
1119 (maybe_emit_chk_warning): Likewise.
1120 (maybe_emit_sprintf_chk_warning): Likewise.
1121 (maybe_emit_free_warning): Likewise.
1122 * expr.c (expand_expr_real_1): Likewise.
1124 2009-03-03 Jakub Jelinek <jakub@redhat.com>
1126 PR tree-optimization/39343
1127 * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
1128 COMPONENT_REF t has ARRAY_TYPE.
1130 2009-03-02 Sebastian Pop <sebastian.pop@amd.com>
1133 * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
1134 when the type precision of the induction variable should be
1135 larger than the type precision of nit.
1136 (gen_parallel_loop): Update use of canonicalize_loop_ivs.
1137 * graphite.c (graphite_loop_normal_form): Same.
1138 * tree-flow.h (canonicalize_loop_ivs): Update declaration.
1140 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1142 * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
1143 (*call_1_rex64_ms_sysv): Use named constants instead of magic
1144 numbers to describe clobbered registers.
1145 (*call_value_0_rex64_ms_sysv): Ditto.
1146 * config/i386/mmx.md (mmx_emms): Ditto.
1149 2009-03-02 Richard Sandiford <rdsandiford@googlemail.com>
1151 * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
1154 2009-03-02 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1156 * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
1157 (spu_section_type_flags): New function.
1159 2009-03-02 Uros Bizjak <ubizjak@gmail.com>
1161 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
1162 reg_class_contents of FLOAT_REGS into a temporary.
1164 2009-03-02 Richard Guenther <rguenther@suse.de>
1165 Ira Rosen <irar@il.ibm.com>
1167 PR tree-optimization/39318
1168 * tree-vect-transform.c (vectorizable_call): Transfer the EH region
1169 information to the vectorized statement.
1171 2009-03-01 Uros Bizjak <ubizjak@gmail.com>
1173 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
1174 variable. Use defined names instead of magic constants for REX SSE
1177 2009-03-01 Richard Guenther <rguenther@suse.de>
1179 PR tree-optimization/39331
1180 * omp-low.c (lower_send_shared_vars): Do not receive new
1181 values for the reference of DECL_BY_REFERENCE parms or results.
1183 2009-03-01 Jan Hubicka <jh@suse.cz>
1186 * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
1187 BLOCK_NONLOCALIZED_VAR): New macros.
1188 (tree_block): Add nonlocalized_vars.
1189 * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
1190 gen_decl_die): Add origin argument. Allow generation of die with
1191 origin at hand only.
1192 (gen_member_die, gen_type_die_with_usage, force_decl_die,
1193 declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
1195 (gen_block_die): Fix checking for unused blocks.
1196 (process_scope_var): Break out from .... ; work with origins only.
1197 (decls_for_scope) ... here; process nonlocalized list.
1198 (dwarf2out_ignore_block): Look for nonlocalized vars.
1199 * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
1201 (dump_scope_block): Dump them.
1202 * tree-inline.c (remap_decls): Handle nonlocalized vars.
1203 (remap_block): Likewise.
1204 (can_be_nonlocal): New predicate.
1205 (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
1207 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1209 * configure: Regenerate.
1211 2009-03-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1213 * optc-gen.awk: No need to duplicate option flags twice.
1214 Reuse help texts for duplicate options which do not have any.
1216 * gcc.c (display_help): Document --version.
1218 * gcc.c (main): If print_help_list and verbose_flag, ensure
1219 driver output comes before subprocess output.
1221 * optc-gen.awk: Assign all remaining fields to help string,
1222 space-separated, for multi-line help in *.opt.
1224 * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
1225 -Wno-pedantic-ms-format is for MinGW targets only.
1227 * doc/options.texi (Option file format): Fix bad indentation,
1228 restoring dropped sentence.
1230 2009-02-28 Jan Hubicka <jh@suse.cz>
1232 * tree-inline.c (tree_function_versioning): Output debug info.
1234 2009-02-28 Jan Hubicka <jh@suse.cz>
1237 * tree-inline.c (setup_one_parameter): Do not copy propagate
1238 arguments when not optimizing.
1240 2009-02-28 H.J. Lu <hongjiu.lu@intel.com>
1243 * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
1244 (avx_addsubv4df3): Likewise.
1245 (*avx_addsubv4sf3): Likewise.
1246 (sse3_addsubv4sf3): Likewise.
1247 (*avx_addsubv2df3): Likewise.
1248 (sse3_addsubv2df3): Likewise.
1249 (avx_unpckhps256): Correct item selectors.
1250 (avx_unpcklps256): Likewise.
1251 (avx_unpckhpd256): Likewise.
1252 (avx_unpcklpd256): Likewise.
1254 2009-02-28 Jan Hubicka <jh@suse.cz>
1256 * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
1258 (copy_arguments_for_versioning): If var is declared don't declare it.
1259 (tree_function_versioning): First setup substitutions and then copy
1262 2009-02-27 Jan Hubicka <jh@suse.cz>
1265 * cgraph.h (varpool_output_debug_info): Remove.
1266 * cgraphunit.c (varpool_output_debug_info): Remove.
1267 * dwarf2out.c (deferred_locations_struct): New struct
1268 (deferred_locations): New type.
1269 (deferred_locations_list): New static var.
1270 (deffer_location): New function.
1271 (gen_variable_die): Use it.
1272 (decls_for_scope): Output info on local static vars.
1273 (dwarf2out_finish): Process deferred locations.
1274 * varpool.c (varpool_output_debug_info): Remove.
1276 2009-02-27 Jan Hubicka <jh@suse.cz>
1279 * tree.h (TREE_PROTECTED): Fix comment.
1280 (BLOCK_HANDLER_BLOCK): Remove.
1281 (struct tree_block): Remove handler_block add body_block.
1282 (inlined_function_outer_scope_p): New.
1283 (is_body_block): Remove.
1284 * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
1285 * dwarf2out.c (is_inlined_entry_point): Remove.
1286 (add_high_low_attributes): Use inlined_function_outer_scope_p.
1287 (gen_block_die): Use is_inlined_entry_point check. Remove body block
1289 * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
1290 * gimplify.c (gimplify_expr): Gimplify body blocks.
1291 * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
1292 block with multiple subblocks.
1293 (dump_scope_block): Prettier output; dump more flags and info.
1294 (dump_scope_blocks): New.
1295 (remove_unused_locals): Use dump_scope_blocks.
1296 * tree-flow.h (dump_scope_blocks): Declare.
1297 * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1298 * stmt.c (is_body_block): Remove.
1299 * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1300 * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1302 2009-02-27 Sebastian Pop <sebastian.pop@amd.com>
1305 * graphite.c (graphite_loop_normal_form): Do not call
1306 number_of_iterations_exit from a gcc_assert.
1308 2009-02-27 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1310 * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1311 jumps if COND is NULL.
1312 (find_cond_jump): New function.
1313 (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1314 * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1316 2009-02-26 Uros Bizjak <ubizjak@gmail.com>
1318 * config/alpha/alpha.h (alpha_expand_mov): Return false if
1319 force_const_mem returns NULL_RTX.
1321 2009-02-26 Jan Hubicka <jh@suse.cz>
1324 * cgraph.h (varpool_output_debug_info): Remove.
1325 * cgraphunit.c (varpool_output_debug_info): Remove.
1326 * dwarf2out.c (deferred_locations_struct): New struct
1327 (deferred_locations): New type.
1328 (deferred_locations_list): New static var.
1329 (deffer_location): New function.
1330 (gen_variable_die): Use it.
1331 (decls_for_scope): Output info on local static vars.
1332 (dwarf2out_finish): Process deferred locations.
1333 * varpool.c (varpool_output_debug_info): Remove.
1335 2009-02-25 H.J. Lu <hongjiu.lu@intel.com>
1337 PR rtl-optimization/39241
1338 * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1339 to subreg_offset_representable_p.
1341 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1343 * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1344 execute function prototype. Get f and nregs from max_reg_num
1345 and get_insns. Remove the first backward pass as it's dead,
1346 guard the forward pass by flag_expensive_optimizations.
1347 (rest_of_handle_regmove): Delete.
1348 (pass_regmove): Replace it with regmove_optimize.
1350 2009-02-25 Martin Jambor <mjambor@suse.cz>
1352 PR tree-optimization/39259
1353 * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1354 calls_alloca function flags.
1355 (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1358 2009-02-25 Paolo Bonzini <bonzini@gnu.org>
1360 * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1361 flags_set_1_rtx, flags_set_1_set): Delete.
1362 (regmove_optimize): Do not call mark_flags_life_zones.
1364 2009-02-24 Julian Brown <julian@codesourcery.com>
1367 * config/arm/arm.c (require_pic_register): Only set
1368 cfun->machine->pic_reg once per function.
1370 2009-02-24 Sandra Loosemore <sandra@codesourcery.com>
1372 * doc/invoke.texi (Link Options): Document an easier way to pass
1373 options that take arguments to the GNU linker using -Xlinker and -Wl.
1375 2009-02-24 Steve Ellcey <sje@cup.hp.com>
1378 * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1380 2009-02-24 Richard Guenther <rguenther@suse.de>
1383 * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1385 2009-02-24 Richard Guenther <rguenther@suse.de>
1386 Zdenek Dvorak <ook@ucw.cz>
1388 PR tree-optimization/39233
1389 * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1390 from converting them to a generic type.
1392 2009-02-23 Sebastian Pop <sebastian.pop@amd.com>
1394 PR tree-optimization/39260
1395 * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1396 contains a condition with a real type.
1397 (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1399 2009-02-23 Jason Merrill <jason@redhat.com>
1402 * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1403 narrowing_initializer_constant_valid_p.
1404 (narrowing_initializer_constant_valid_p): Don't return
1405 null_pointer_node for adding a pointer to itself.
1407 2009-02-23 Jan Hubicka <jh@suse.cz>
1410 * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1413 2009-02-23 Jan Hubicka <jh@suse.cz>
1415 PR tree-optimization/37709
1416 * tree.c (block_ultimate_origin): Move here from dwarf2out.
1417 * tree.h (block_ultimate_origin): Declare.
1418 * dwarf2out.c (block_ultimate_origin): Move to tree.c
1419 * tree-ssa-live.c (remove_unused_scope_block_p):
1420 Eliminate blocks containig no instructions nor live variables nor
1422 (dump_scope_block): New function.
1423 (remove_unused_locals): Enable removal of dead blocks by default;
1424 enable dumping at TDF_DETAILS.
1426 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1428 * config/i386/i386.c (classify_argument): Don't allow COImode
1430 (function_arg_advance_32): Don't allow OImode.
1431 (function_arg_32): Likewise.
1432 (function_value_32): Likewise.
1433 (return_in_memory_32): Likewise.
1434 (function_arg_64): Remove OImode comment.
1436 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1439 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1440 ix86_expand_vector_set for V4DImode in 64bit mode only.
1441 (ix86_expand_vector_init_one_var): Likewise.
1443 2009-02-21 Sebastian Pop <sebastian.pop@amd.com>
1445 * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1447 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1450 * loop-iv.c: Revert last change.
1451 * emit-rtl.c: Likewise.
1453 2009-02-21 H.J. Lu <hongjiu.lu@intel.com>
1456 * config/i386/i386.c (type_natural_mode): Remove an extra
1457 space in the warning message.
1458 (function_value_32): Handle 32-byte vector modes.
1459 (return_in_memory_32): Likewise.
1461 2009-02-21 Richard Sandiford <rdsandiford@googlemail.com>
1463 * loop-iv.c (truncate_value): New function.
1464 (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1466 (lowpart_subreg): Move to...
1467 * emit-rtl.c: ...here.
1469 2009-02-21 Danny Smith <dannysmith@users.sourceforge.net>
1471 * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1472 accidental and undocumented change at revision 140860.
1474 2009-02-21 Joseph Myers <joseph@codesourcery.com>
1476 * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1477 take gimple_seq * arguments.
1478 (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1479 types_compatible_p langhook.
1481 2009-02-20 Mark Mitchell <mark@codesourcery.com>
1482 Joseph Myers <joseph@codesourcery.com>
1484 * config/arm/arm.c (arm_builtin_va_list): New function.
1485 (arm_expand_builtin_va_start): Likewise.
1486 (arm_gimplify_va_arg_expr): Likewise.
1487 (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1488 (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1489 (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1490 (va_list_type): New variable.
1491 (arm_mangle_type): Mangle va_list_type appropriately.
1493 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1496 * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1497 * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1498 * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1499 * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1500 parameter to 1000 for -O1 by default.
1501 * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1503 * loop-invariant.c: Include params.h.
1504 (move_loop_invariants): Don't call move_single_loop_invariants on
1507 2009-02-20 Jaka Mocnik <jaka@xlab.si>
1509 * calls.c (emit_library_call_value_1): Use slot_offset instead of
1510 offset when calculating bounds for indexing stack_usage_map. Fixes
1511 a buffer overflow with certain target setups.
1513 2009-02-20 Jakub Jelinek <jakub@redhat.com>
1516 * calls.c (expand_call): Clear try_tail_call if caller and callee
1517 disagree in promotion of function return value.
1519 2009-02-19 Jakub Jelinek <jakub@redhat.com>
1522 * c-common.c (c_determine_visibility): If visibility changed and
1523 DECL_RTL has been already set, call make_decl_rtl to update symbol
1526 2009-02-19 H.J. Lu <hongjiu.lu@intel.com>
1529 * varasm.c (assemble_variable): Don't check DECL_NAME when
1530 globalizing a variable.
1532 2009-02-19 Joseph Myers <joseph@codesourcery.com>
1535 * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1536 expression before any __builtin_trap call.
1537 * c-typeck.c (build_function_call): Convert and check function
1538 arguments before generating a call to a trap. Evaluate the
1539 function arguments before the trap.
1541 2009-02-19 Uros Bizjak <ubizjak@gmail.com>
1544 * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1545 (UNSPEC_FXAM_MEM): New unspec.
1546 (fxam<mode>2_i387_with_temp): New insn and split pattern.
1547 (isinf<mode>2): Use MODEF mode iterator. Force operand[1] through
1548 memory using fxam<mode>2_i387_with_temp to remove excess precision.
1550 2009-02-19 Richard Guenther <rguenther@suse.de>
1552 PR tree-optimization/39207
1553 PR tree-optimization/39074
1554 * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1555 storedanything_tree): New.
1556 (do_ds_constraint): Simplify ANYTHING shortcutting. Update
1557 the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1558 (build_succ_graph): Add edges from STOREDANYTHING to all
1560 (init_base_vars): Initialize STOREDANYTHING.
1561 (compute_points_to_sets): Free substitution info after
1562 building the succ graph.
1563 (ipa_pta_execute): Likewise.
1565 * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1567 (do_ds_constraint): Do not add to special var or non-pointer
1569 (type_could_have_pointers): Split out from ...
1570 (could_have_pointers): ... here. For arrays use the element type.
1571 (create_variable_info_for): Initialize may_have_pointers.
1572 (new_var_info): Likewise.
1573 (handle_lhs_call): Make the HEAP variable unknown-sized.
1574 (intra_create_variable_infos): Use a type with pointers for
1575 PARM_NOALIAS, make it unknown-sized.
1577 2009-02-18 H.J. Lu <hongjiu.lu@intel.com>
1580 * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1582 2009-02-18 Jason Merrill <jason@redhat.com>
1585 * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1586 value if DECL_EXTERNAL.
1587 * tree-sra.c (sra_walk_gimple_assign): Likewise.
1588 * target.h (gcc_target::binds_local_p): Clarify "module".
1589 * tree.h (TREE_PUBLIC): Clarify "module".
1591 2009-02-17 Xuepeng Guo <xuepeng.guo@intel.com>
1594 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1595 initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1597 2009-02-17 H.J. Lu <hongjiu.lu@intel.com>
1600 * c.opt (Wabi): Support C and ObjC.
1603 * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1605 * config/i386/i386.c (classify_argument): Warn once about the ABI
1606 change when passing union with long double.
1608 * doc/invoke.texi: Update -Wabi for warning psABI changes.
1610 2009-02-18 Joseph Myers <joseph@codesourcery.com>
1613 * c-parser.c (c_parser_compound_statement): Always enter and leave
1616 2009-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1619 * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1621 2009-02-18 Jakub Jelinek <jakub@redhat.com>
1623 PR tree-optimization/36922
1624 * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1625 * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1628 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1630 * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1633 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1635 * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1637 2009-02-17 Richard Sandiford <rdsandiford@googlemail.com>
1639 * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1642 2009-02-17 Ruan Beihong <ruanbeihong@gmail.com>
1643 Richard Sandiford <rdsandiford@googlemail.com>
1645 * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1646 * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1647 (loongson_biadd): ...this.
1649 2009-02-17 Richard Guenther <rguenther@suse.de>
1651 PR tree-optimization/39202
1652 * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1653 a var make sure to follow existing collapses.
1655 2009-02-17 Richard Guenther <rguenther@suse.de>
1658 * langhooks.c (lhd_print_error_function): Check for NULL block.
1660 2009-02-17 Richard Guenther <rguenther@suse.de>
1662 PR tree-optimization/39204
1663 * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1666 2009-02-17 Uros Bizjak <ubizjak@gmail.com>
1668 * config/soft-fp/double.h: Update from glibc CVS.
1670 2009-02-17 Richard Guenther <rguenther@suse.de>
1672 PR tree-optimization/39207
1673 * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1674 strict-aliasing warnings for pointers pointing to NULL.
1676 2009-02-16 Joseph Myers <joseph@codesourcery.com>
1679 * c-parser.c (c_parser_braced_init): Call pop_init_level when
1680 skipping until next close brace.
1682 2009-02-16 H.J. Lu <hongjiu.lu@intel.com>
1685 * config/i386/i386.c (ix86_expand_push): Set memory alignment
1686 to function argument boundary.
1688 2009-02-16 Hariharan Sandanagobalane <hariharan@picochip.com>
1690 * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1691 in the lea_add. Reload eventually constraints it properly.
1692 * config/picochip/constraints.md : Remove the target constraint
1693 "b", since it is not needed anymore.
1695 2009-02-16 Jakub Jelinek <jakub@redhat.com>
1697 * gthr-dce.h: Uglify function parameter and local variable names.
1698 * gthr-gnat.h: Likewise.
1699 * gthr-mipssde.h: Likewise.
1700 * gthr-nks.h: Likewise.
1701 * gthr-posix95.h: Likewise.
1702 * gthr-posix.h: Likewise.
1703 * gthr-rtems.h: Likewise.
1704 * gthr-single.h: Likewise.
1705 * gthr-solaris.h: Likewise.
1706 * gthr-tpf.h: Likewise.
1707 * gthr-vxworks.h: Likewise.
1708 * gthr-win32.h: Likewise.
1710 2009-02-15 H.J. Lu <hongjiu.lu@intel.com>
1713 * config/i386/i386.md: Restrict the new peephole2 to move
1714 between MMX/SSE registers.
1716 2009-02-15 Richard Guenther <rguenther@suse.de>
1719 2009-02-13 Richard Guenther <rguenther@suse.de>
1721 * configure.ac: Enable LFS.
1722 * configure: Re-generate.
1723 * config.in: Likewise.
1725 2009-02-13 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1727 * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1728 spu_srqwbyte, spu_srqwbytebc): Define.
1729 * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1730 spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1731 * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1732 "shrqby_<mode>"): New insn-and-split patterns.
1733 * config/spu/spu.c (expand_builtin_args): Determine and return
1734 number of operands using spu_builtin_description data.
1735 (spu_expand_builtin_1): Use it.
1737 2009-02-13 Steve Ellcey <sje@cup.hp.com>
1740 * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1743 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1746 * config/i386/i386.c (override_options): Correct warning
1747 messages for -malign-loops, -malign-jumps and -malign-functions.
1749 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1752 * config/i386/i386.md: Restrict the new peephole2 to move
1753 between the general purpose registers.
1755 2009-02-13 H.J. Lu <hongjiu.lu@intel.com>
1758 * config/i386/i386.c (type_natural_mode): Add a new argument.
1759 Return the original mode and warn ABI change if vector size is 32byte.
1760 (function_arg_advance): Updated.
1761 (function_arg): Likewise.
1762 (ix86_function_value): Likewise.
1763 (ix86_return_in_memory): Likewise.
1764 (ix86_sol10_return_in_memory): Likewise.
1765 (ix86_gimplify_va_arg): Likewise.
1766 (function_arg_32): Don't warn ABX ABI change here.
1767 (function_arg_64): Likewise.
1769 2009-02-13 Bernd Schmidt <bernd.schmidt@analog.com>
1771 * loop-iv.c (implies_p): In the final case, test that operands 0
1772 of the two comparisons match.
1774 * config/bfin/bfin.c (find_prev_insn_start): New function.
1775 (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1776 (find_next_insn_start): Move.
1778 2009-02-13 Richard Guenther <rguenther@suse.de>
1780 * configure.ac: Enable LFS.
1781 * configure: Re-generate.
1782 * config.in: Likewise.
1784 2009-02-13 Joseph Myers <joseph@codesourcery.com>
1787 * c-parser.c (c_parser_parms_list_declarator): Discard pending
1788 sizes on syntax error after some arguments have been parsed.
1790 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1792 * doc/invoke.texi (-fira): Remove.
1794 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1796 * caller-save.c: Replace regclass.c with reginfo.c in comments.
1797 * recog.c: Likewise.
1800 2009-02-12 Uros Bizjak <ubizjak@gmail.com>
1802 * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1803 (umul_ppmm): Likewise.
1804 (count_leading_zeros): Likewise.
1805 (count_trailing_zeros): Likewise.
1806 (UMUL_TIME): Likewise.
1808 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1810 * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1811 soft-fp/t-softfp to tmake_file.
1813 * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1814 (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1815 (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1816 IA64_BUILTIN_INFQ]: New.
1817 (ia64_init_builtins): Initialize __builtin_infq,
1818 __builtin_fabsq and __builtin_copysignq if not HPUX.
1819 (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1820 IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1822 * config/ia64/lib1funcs.asm (__divtf3): Define only if
1824 (__fixtfti): Likewise.
1825 (__fixunstfti): Likewise.
1826 (__floattitf): Likewise.
1828 * config/ia64/libgcc-glibc.ver: New.
1829 * config/ia64/t-fprules-softfp: Likewise.
1830 * config/ia64/sfp-machine.h: Likewise.
1832 * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1833 (LIBGCC2_TF_CEXT): Likewise.
1834 (TF_SIZE): Likewise.
1835 (TARGET_INIT_LIBFUNCS): Likewise.
1837 * config/ia64/t-glibc (SHLINB_MAPFILES):
1838 Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1840 2009-02-12 H.J. Lu <hongjiu.lu@intel.com>
1842 * config/i386/i386.c (construct_container): Rewrite processing
1843 BLKmode with X86_64_SSE_CLASS.
1845 2009-02-12 Paolo Bonzini <bonzini@gnu.org>
1848 * config/i386/i386.md: Replace simplify_replace_rtx with
1849 replace_rtx in the new peephole2.
1851 2009-02-12 Nathan Sidwell <nathan@codesourcery.com>
1853 * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1854 loop unrolling do not happen at -O2.
1856 2009-02-12 Michael Matz <matz@suse.de>
1858 * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1860 2009-02-12 Jakub Jelinek <jakub@redhat.com>
1862 * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1865 2009-02-12 Ben Elliston <bje@au.ibm.com>
1867 * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1868 patterns when updating the back chain. Missed in the 2009-02-10
1871 2009-02-11 Janis Johnson <janis187@us.ibm.com>
1873 * doc/extend.texi (Decimal Floating Types): Update identifier of
1874 draft TR and list of missing support.
1876 2009-02-11 Jakub Jelinek <jakub@redhat.com>
1879 * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1880 bit to variable length decl's flags, add it also to its
1881 pointer replacement variable.
1883 2009-02-11 Uros Bizjak <ubizjak@gmail.com>
1884 Jakub Jelinek <jakub@redhat.com>
1887 * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1888 (memory_blockage): New expander.
1889 (*memory_blockage): New insn pattern.
1890 * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1891 instead of general blockage at the end of function prologue when
1892 frame pointer is used to access red zone area. Do not emit blockage
1893 when profiling, it is emitted in generic code.
1894 (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1895 function epilogue when frame pointer is used to access red zone area.
1897 2009-02-11 Paolo Bonzini <bonzini@gnu.org>
1900 * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1901 by arithmetic with memory operands.
1902 * config/i386/predicates.md (commutative_operator): New.
1904 2009-02-10 Janis Johnson <janis187@us.ibm.com>
1906 * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1909 2009-02-10 Eric Botcazou <ebotcazou@adacore.com>
1911 * alias.h (record_alias_subset): Declare.
1912 * alias.c (record_alias_subset): Make global.
1914 2009-02-10 Nick Clifton <nickc@redhat.com>
1916 * tree-parloops.c: Change license to GPLv3.
1917 * ipa-struct-reorg.c: Change license to GPLv3.
1918 * ipa-struct-reorg.h: Change license to GPLv3.
1920 2009-02-10 Steve Ellcey <sje@cup.hp.com>
1923 * c-decl.c (start_struct): Return NULL on error.
1925 2009-02-10 Jakub Jelinek <jakub@redhat.com>
1928 * cfgloopmanip.c (remove_path): Call remove_bbs after
1929 cancel_loop_tree, not before it.
1932 * function.h (struct function): Add has_local_explicit_reg_vars bit.
1933 * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1934 VAR_DECLs were seen.
1935 * tree-ssa-live.c (remove_unused_locals): Recompute
1936 cfun->has_local_explicit_reg_vars.
1937 * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1938 copies or clearings if cfun->has_local_explicit_reg_vars.
1940 2009-02-10 Uros Bizjak <ubizjak@gmail.com>
1943 * config/i386/i386.c (expand_prologue): Emit blockage at the end
1944 of function prologue when frame pointer is used to access
1947 2009-02-10 Richard Guenther <rguenther@suse.de>
1950 * gimplify.c (gimple_regimplify_operands): Always look if
1951 we need to create a temporary.
1953 2009-02-10 Richard Guenther <rguenther@suse.de>
1955 PR tree-optimization/39132
1956 * tree-loop-distribution.c (todo): New global var.
1957 (generate_memset_zero): Trigger TODO_rebuild_alias.
1958 (tree_loop_distribution): Return todo.
1960 2009-02-10 H.J. Lu <hongjiu.lu@intel.com>
1963 * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1964 (x86_64_reg_class_name): Removed.
1965 (classify_argument): Return 0 if bytes > 32. Return 0 if the
1966 first one isn't X86_64_SSE_CLASS or any other ones aren't
1967 X86_64_SSEUP_CLASS when size > 16bytes. Don't turn
1968 X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1969 is X86_64_SSEUP_CLASS. Set AVX modes to 1 X86_64_SSE_CLASS
1970 and 3 X86_64_SSEUP_CLASS.
1971 (construct_container): Remove X86_64_AVX_CLASS. Handle 4
1972 registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1974 2009-02-10 Ben Elliston <bje@au.ibm.com>
1976 * config/rs6000/rs6000.md (allocate_stack): Always use an update
1977 form instruction to update the stack back chain word, even if the
1978 user has disabled the generation of update instructions.
1979 (movdi_<mode>_update_stack): New.
1980 (movsi_update_stack): Likewise.
1981 * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1982 always use an update form instruction to update the stack back
1985 2009-02-09 Sebastian Pop <sebastian.pop@amd.com>
1988 * graphite.c (if_region_set_false_region): After moving a region in
1989 the false branch of a condition, remove the empty dummy basic block.
1990 (gloog): Remove wrong fix for PR38953.
1992 2009-02-09 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1994 * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1995 generation due to implicit sign extension.
1997 2009-02-09 Eric Botcazou <ebotcazou@adacore.com>
2000 * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
2001 at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
2003 2009-02-09 Richard Guenther <rguenther@suse.de>
2006 * convert.c (convert_to_real): Disable (float)fn((double)x)
2007 to fnf(x) conversion if errno differences may occur and
2008 -fmath-errno is set.
2010 2009-02-07 Anatoly Sokolov <aesok@post.ru>
2012 * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
2013 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2014 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2016 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2019 * c-common.c (handle_alias_attribute): Disallow attribute for
2020 anything not a FUNCTION_DECL or VAR_DECL.
2022 2009-02-06 Janis Johnson <janis187@us.ibm.com>
2025 * real.c (do_compare): Special-case compare of zero against
2026 decimal float value.
2028 2009-02-06 Joseph Myers <joseph@codesourcery.com>
2031 * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
2032 as indicating flexible array members unless the field itself is
2033 being declarared as the incomplete array.
2035 2009-02-06 Jan Hubicka <jh@suse.cz>
2037 PR tree-optimization/38844
2038 * ipa-inline.c (try_inline): Stop inlining recursion when edge
2041 2009-02-06 Richard Guenther <rguenther@suse.de>
2044 * tree-cfg.c (need_fake_edge_p): Force a fake edge for
2045 fork because we may expand it as __gcov_fork.
2047 2009-02-06 Nick Clifton <nickc@redhat.com>
2049 * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
2051 2009-02-06 Paolo Bonzini <bonzini@gnu.org>
2053 PR tree-optimization/35659
2054 * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
2055 vn_phi_eq): Shortcut if hashcode does not match.
2056 (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
2058 * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
2059 and avoid iterative_hash_expr.
2060 (FOR_EACH_VALUE_ID_IN_SET): New.
2061 (value_id_compare): Remove.
2062 (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
2063 sort expressions by value id.
2065 2009-02-05 Kaz Kojima <kkojima@gcc.gnu.org>
2068 * config/sh/predicates.md (general_movsrc_operand): Don't check
2069 the subreg of system registers here.
2071 2009-02-05 Jakub Jelinek <jakub@redhat.com>
2074 * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
2077 2009-02-05 Paolo Bonzini <bonzini@gnu.org>
2079 PR rtl-optimization/39110
2080 * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
2081 addresses, not aligned ones.
2083 2009-02-05 Daniel Berlin <dberlin@dberlin.org>
2084 Richard Guenther <rguenther@suse.de>
2086 PR tree-optimization/39100
2087 * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
2088 comment says and add edges.
2090 2009-02-05 Joseph Myers <joseph@codesourcery.com>
2093 * c-common.c (handle_tls_model_attribute): Ignore attribute for
2094 non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
2096 2009-02-04 Tobias Grosser <grosser@fim.uni-passau.de>
2098 * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
2099 sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
2100 register_bb_in_sese, new_sese, free_sese): Moved.
2101 (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
2102 outermost_loop_in_scop, build_scop_iteration_domain,
2103 expand_scalar_variables_ssa_name, get_vdef_before_scop,
2104 limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
2105 Use loop_in_sese_p instead of loop_in_scop_p.
2106 (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
2107 (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
2108 (scopdet_basic_block_info): Fix bug in scop detection.
2109 (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
2110 eq_loop_to_cloog_loop): Remove.
2111 (nb_loops_around_loop_in_scop, nb_loop
2112 ref_nb_loops): Moved here...
2113 * graphite.h (ref_nb_loops): ... from here.
2114 (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
2115 (loop_domain_dim, loop_iteration_vector_dim): Remove.
2116 (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
2117 * testsuite/gcc.dg/graphite/scop-19.c: New
2119 2009-02-04 Paolo Bonzini <bonzini@gnu.org>
2120 Hans-Peter Nilsson <hp@axis.com>
2122 PR rtl-optimization/37889
2123 * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
2124 Move offset handling from PLUS to before the switch. Use new
2125 arguments when considering SYMBOL_REFs too.
2126 (rtx_addr_can_trap_p): Pass dummy offset and size.
2127 (enum may_trap_p_flags): Remove.
2128 (may_trap_p_1): Pass size from MEM_SIZE.
2130 PR rtl-optimization/38921
2131 * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
2132 * rtl.h (may_trap_after_code_motion_p): Delete prototype.
2133 * rtlanal.c (may_trap_after_code_motion_p): Delete.
2134 (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
2136 2009-02-04 H.J. Lu <hongjiu.lu@intel.com>
2138 AVX Programming Reference (January, 2009)
2139 * config/i386/sse.md (*vpclmulqdq): New.
2141 2009-02-04 Jakub Jelinek <jakub@redhat.com>
2143 PR tree-optimization/38977
2144 PR gcov-profile/38292
2145 * calls.c (special_function_p): Disregard __builtin_ prefix.
2147 2009-02-04 Hariharan Sandanagobalane <hariharan@picochip.com>
2149 * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
2150 non-indexable addresses even before reload.
2152 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2155 * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
2156 as having variable size. Do not give an error for unnamed
2157 parameters with [*] declarators. Give a warning for type names
2158 with [*] declarators and mark them as variable size.
2159 * c-parser.c (c_parser_sizeof_expression): Do not give an error
2160 for sizeof applied to [*] type names.
2162 2009-02-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
2165 * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
2167 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2169 * gcc.c (process_command): Update copyright notice dates.
2170 * gcov.c (print_version): Likewise.
2171 * gcov-dump.c (print_version): Likewise.
2172 * mips-tfile.c (main): Likewise.
2173 * mips-tdump.c (main): Likewise.
2175 2009-02-03 Joseph Myers <joseph@codesourcery.com>
2178 * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
2179 for composite type involving a zero-length array type.
2181 2009-02-03 Jakub Jelinek <jakub@redhat.com>
2184 * function.c (match_asm_constraints_1): Skip over
2185 initial optional % in the constraint.
2188 * c-parser.c (c_parser_postfix_expression): If fixed point is not
2189 supported, don't accept FIXED_CSTs.
2190 * c-decl.c (finish_declspecs): Error if fixed point is not supported
2191 and _Sat is used without _Fract/_Accum. Set specs->type to
2192 integer_type_node for cts_fract/cts_accum if fixed point is not
2195 2009-02-02 Catherine Moore <clm@codesourcery.com>
2197 * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
2199 2009-02-02 Richard Sandiford <rdsandiford@googlemail.com>
2201 * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
2202 (ABI_HAS_64BIT_SYMBOLS): Use it.
2203 (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
2205 2009-02-02 Paul Brook <paul@codesourcery.com>
2207 * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
2209 2009-02-02 Jakub Jelinek <jakub@redhat.com>
2212 * recog.h (asm_operand_ok): Add constraints argument.
2213 * recog.c (asm_operand_ok): Likewise. If it is set, for digits
2214 recurse on matching constraint.
2215 (check_asm_operands): Pass constraints as 3rd argument to
2216 asm_operand_ok. Don't look up matching constraint here.
2217 * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
2220 2009-02-02 Ben Elliston <bje@au.ibm.com>
2222 * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
2223 TARGET_NARROW_VOLATILE_BITFIELD macro names.
2225 2009-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2227 * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
2228 information. Remove some obsolete information. Reorganize.
2230 * config/pa/fptr.c: Revert license to GPL 2.
2231 * config/pa/milli64.S: Likewise.
2233 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2236 * mkmap-flat.awk (END): Use pe_dll command-line arg to pass
2237 LIBRARY name in, instead of hard-coding it.
2238 * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add an
2239 extra target make frag to tmake_files according to EH model.
2240 (i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
2241 * config/i386/t-dw2-eh, config/i386/t-sjlj-eh: Add new target
2242 frags that define makefile variable EH_MODEL appropriately.
2243 * config/i386/cygming.h (DWARF2_UNWIND_INFO): Add comment.
2244 * config/i386/cygwin.h (LIBGCC_EH_EXTN): Define to nothing or
2245 to "-sjlj" according to type of EH configured.
2246 (LIBGCC_SONAME): Concatenate it to shared library base name.
2247 * config/i386/mingw32.h (LIBGCC_EH_EXTN): Define to "_dw2" or
2248 to "_sjlj" according to type of EH configured.
2249 (LIBGCC_SONAME): Concatenate it to shared library base name.
2250 * config/i386/t-cygming (SHLIB_SONAME): Use EH_MODEL.
2251 (SHLIB_LINK): Add missing semicolon to if-else construct.
2252 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2253 string value of "pe_dll" command-line option.
2254 * config/i386/t-cygwin (SHLIB_EH_EXTENSION): New helper.
2255 (SHLIB_SONAME): Use it when overriding t-cygming default.
2256 (SHLIB_IMPLIB): Override t-cygming default.
2257 (SHLIB_MKMAP_OPTS): Pass library name to mkmap-flat.awk as
2258 string value of "pe_dll" command-line option.
2260 2009-01-31 Dave Korn <dave.korn.cygwin@gmail.com>
2263 * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
2264 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
2266 2009-01-31 Richard Guenther <rguenther@suse.de>
2268 PR tree-optimization/38937
2269 * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
2270 computing the transitive closure.
2272 2009-01-30 Richard Guenther <rguenther@suse.de>
2274 PR tree-optimization/39041
2275 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
2276 Propagate variable indices only if the types match for this stmt.
2278 2009-01-30 Jakub Jelinek <jakub@redhat.com>
2281 * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
2282 inline but never defined.
2284 2009-01-30 Wolfgang Gellerich <gellerich@de.ibm.com>
2286 * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
2287 (*insv_h_di_reg_extimm): New insn.
2288 (*insv_l<mode>_reg_extimm): New insn.
2290 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2292 * config/picochip/picochip.c (flag_conserve_stack): set
2293 PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
2294 fconserve-stack. Reduce call-overhead used by inliner.
2296 2009-01-30 Hariharan Sandanagobalane <hariharan@picochip.com>
2299 * common.opt (flag_conserve_stack): Initialised to zero.
2301 2009-01-30 Kai Tietz <kai.tietz@onevision.com>
2304 * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2305 (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2308 2009-01-29 H.J. Lu <hongjiu.lu@intel.com>
2310 * ira-color.c (allocno_reload_assign): Update comments.
2311 * regmove.c (regmove_optimize): Likewise.
2315 2009-01-29 Robert Millan <rmh@aybabtu.com>
2317 * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2318 * gcc/config/i386/kopensolaris-gnu.h: New file. Undefine
2319 `MD_UNWIND_SUPPORT'.
2320 * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2322 2009-01-29 Kazu Hirata <kazu@codesourcery.com>
2324 PR tree-optimization/39007
2325 * tree-loop-distribution.c (generate_builtin): Use
2326 recompute_dominator to compute the immediate dominator of the
2327 basic block just after the loop.
2329 2009-01-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2331 * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2332 (ASM_OUTPUT_DWARF_PCREL): Define.
2334 2009-01-29 Vladimir Makarov <vmakarov@redhat.com>
2336 * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2337 * doc/passes.texi: Remove entries about regclass, local-alloc, and
2338 global. Modify entries about regmove and IRA.
2340 * ra-conflict.c: Remove the file.
2342 * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2344 * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2345 (pass_regclass_init): Rename to pass_reginfo_init.
2347 * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2349 * toplev.h (flag_ira): Remove.
2351 * caller-save.c (setup_save_areas): Remove flag_ira.
2353 * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2355 * global.c: Remove the file.
2357 * opts.c: (decode_options): Remove flag_ira.
2359 * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2361 * regmove.c: Modify file description.
2362 (find_use_as_address, try_auto_increment): Define them only if
2363 AUTO_INC_DEC is defined.
2364 (replacement_quality, replace_in_call_usage, fixup_match_1,
2365 stable_and_no_regs_but_for_p): Remove.
2366 (reg_set_in_bb): Make it static.
2367 (regmove_optimize): Remove flag_ira and code which worked for
2370 * local-alloc.c: Remove the file.
2372 * common.opt (fira): Remove.
2374 * ira.c: Include except.h.
2375 (eliminable_regset): Move from global.c.
2376 (mark_elimination): Ditto. Remove flag_ira.
2377 (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2378 equiv_mem_modified, validate_equiv_mem_from_store,
2379 validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2380 contains_replace_regs, memref_referenced_p, memref_used_between_p,
2381 no_equiv, recorded_label_ref): Move from local-alloc.c.
2382 (update_equiv_regs): Ditto. Make it static.
2383 (print_insn_chain, print_insn_chains): Move it from global.c.
2384 (pseudo_for_reload_consideration_p): Ditto. Remove flag_ira.
2385 (build_insn_chain): Ditto. Make it static.
2386 (ra_init_live_subregs): Move from ra-conflict.c. Make it static.
2387 Rename to init_live_subregs.
2388 (gate_ira): Remove flag_ira.
2390 * regclass.c: Rename reginfo.c. Change file description.
2391 (FORBIDDEN_INC_DEC_CLASSES): Remove.
2392 (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2393 (init_reg_sets_1): Remove code for evaluation of
2394 reg_class_superclasses and losing_caller_save_reg_set.
2395 (init_regs): Remove init_reg_autoinc.
2396 (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2397 ok_for_base_p_nonstrict): Remove.
2398 (regclass_init): Rename to reginfo_init. Don't initialize init_cost.
2399 (pass_regclass_init): Rename to pass_reginfo_init. Modify
2400 corresponding entries.
2401 (dump_regclass, record_operand_costs, scan_one_insn,
2402 init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2403 record_address_regs, auto_inc_dec_reg_p): Remove.
2404 (gt-regclass.h): Rename to gt-reginfo.h.
2406 * rtl.h (dump_global_regs, retry_global_alloc,
2407 build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2409 * Makefile.in (RA_H): Remove.
2410 (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2411 Rename regclass.o to reginfo.o.
2412 (regclass.o): Rename to reginfo.o. Rename gt-regclass.h to
2414 (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2415 (GTFILES): Rename regclass.c to reginfo.c.
2417 * passes.c (init_optimization_passes): Remove pass_local_alloc and
2418 pass_global_alloc. Rename pass_regclass_init to pass_reginfo_init.
2420 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2421 count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2423 (finish_spills): Ditto. Remove code for !flag_ira.
2425 2009-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
2428 * doc/invoke.texi (rtl debug options): Complete rewrite.
2429 * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2431 * mode-switching.c (pass_mode_switching): Rename pass from
2432 "mode-sw" to "mode_sw".
2433 * except.c (pass_convert_to_eh_ranges): Rename pass from
2434 "eh-ranges" to "eh_ranges".
2435 * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2439 2009-01-29 Andrey Belevantsev <abel@ispras.ru>
2440 Alexander Monakov <amonakov@ispras.ru>
2443 * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2445 (move_exprs_to_boundary): Change return type and pass through
2446 should_move from move_op. Relax assert. Update usage ...
2447 (schedule_expr_on_boundary): ... here. Use should_move instead of
2449 (move_op_orig_expr_found): Indicate that insn was disconnected from
2451 (code_motion_process_successors): Do not call after_merge_succs
2452 callback if original expression was not found when traversing any of
2454 (code_motion_path_driver): Change return type. Update prototype.
2455 (move_op): Update comment. Add a new parameter (should_move). Update
2456 prototype. Set *should_move based on indication provided by
2457 move_op_orig_expr_found.
2459 2009-01-28 Pat Haugen <pthaugen@us.ibm.com>
2461 * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2462 * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2463 * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2464 * config/rs6000/rs6000.c (rs6000_override_options): Default
2465 avoid-indexed-addresses on for Power6, off for everything else.
2466 (avoiding_indexed_address_p): New function.
2467 (rs6000_legitimize_address): Use it.
2468 (rs6000_legitimate_address): Likewise.
2469 * config/rs6000/rs6000.md (movXX_updateX): Likewise
2471 2009-01-28 Kazu Hirata <kazu@codesourcery.com>
2473 PR tree-optimization/38997
2474 * tree-loop-distribution.c (generate_memset_zero): Use
2475 POINTER_PLUS_EXPR for a pointer addition.
2477 2009-01-28 Andreas Krebbel <krebbel1@de.ibm.com>
2479 * config/s390/s390.md (bswap<mode>2): New pattern added.
2481 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2483 * config/s390/s390.md (*tls_load_31): Added type attribute.
2485 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2487 * config/s390/s390.md: Fix a few comments.
2489 2009-01-28 Wolfgang Gellerich <gellerich@de.ibm.com>
2491 * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2492 (*tm<mode>_full): Fixed z10prop attribute.
2493 (*tst<mode>_extimm): Fixed z10prop attribute.
2494 (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2495 (*tstqiCCT_cconly): Fixed z10prop attribute.
2496 (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2497 (*movsi_larl): Fixed z10prop attribute.
2498 (*movsi_zarch): Fixed z10prop attribute.
2499 (*movsi_eas): Fixed z10prop attribute.
2500 (*movhi): Fixed z10prop attribute.
2501 (*movqi): Fixed z10prop attribute.
2502 (*movstrictqi): Fixed z10prop attribute.
2503 (*mov<mode>): Fixed z10prop attribute.
2504 (*movcc): Fixed z10prop attribute.
2505 (*sethighpartdi_64): Fixed z10prop attribute.
2506 (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2507 (*negdi2_sign_cc): Fixed z10prop attribute.
2508 (*negdi2_sign): Fixed z10prop attribute.
2509 (*absdi2_sign_cc): Fixed z10prop attribute.
2510 (*absdi2_sign): Fixed z10prop attribute.
2511 (*negabsdi2_sign_cc): Fixed z10prop attribute.
2512 (*negabsdi2_sign): Fixed z10prop attribute.
2513 (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2514 (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2515 (doloop_si64): Fixed z10prop attribute.
2516 (doloop_si31): Fixed z10prop attribute.
2517 (doloop_long): Fixed z10prop attribute.
2518 (indirect_jump): Fixed z10prop attribute.
2519 (nop): Fixed z10prop attribute.
2520 (main_base_64): Fixed z10prop attribute.
2521 (reload_base_64): Fixed z10prop attribute.
2523 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2525 PR rtl-optimization/38740
2526 * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2528 * config/mips/mips.c (mips_reorg): Likewise.
2530 2009-01-28 Richard Guenther <rguenther@suse.de>
2532 PR tree-optimization/38926
2533 * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2534 with the correct value id to a value.
2535 (do_regular_insertion): Use the value number of edoubleprime
2536 for the value number of the expr.
2539 2008-08-21 Richard Guenther <rguenther@suse.de>
2541 * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2542 a PHI ask VN if it is already available.
2543 * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2544 * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2546 2009-01-28 Jakub Jelinek <jakub@redhat.com>
2549 * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2550 set to varying whenever max has TREE_OVERFLOW set, similarly
2551 for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2553 2009-01-28 Richard Guenther <rguenther@suse.de>
2556 * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2557 uninitialized aggregate uses in call arguments.
2559 2009-01-28 Paolo Bonzini <bonzini@gnu.org>
2561 PR tree-optimization/38984
2562 * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2563 the nothing_id variable if -fno-delete-null-pointer-checks.
2565 2009-01-28 Uros Bizjak <ubizjak@gmail.com>
2568 * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2569 (set_got_offset_rex64): Ditto.
2571 2009-01-27 H.J. Lu <hongjiu.lu@intel.com>
2574 * doc/extend.texi: Improve local variable with asm reg.
2576 2009-01-27 Adam Nemet <anemet@caviumnetworks.com>
2578 * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2579 * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2580 was not supplied then set warn_packed_bitfield_compat to the
2582 * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2585 2009-01-27 Richard Guenther <rguenther@suse.de>
2587 PR tree-optimization/38503
2588 * cfgexpand.c (expand_gimple_basic_block): Ignore
2589 GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2590 * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2591 variables that cannot have TBAA applied.
2592 (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2595 2009-01-27 Uros Bizjak <ubizjak@gmail.com>
2598 * calls.c (initialize_argument_information): Do not wrap complex
2599 arguments in SAVE_EXPR.
2601 2009-01-26 Andreas Tobler <a.tobler@schweiz.org>
2603 * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2604 (INSTALL_LIBGCC): Revert typo commit.
2606 2009-01-26 Richard Guenther <rguenther@suse.de>
2608 PR tree-optimization/38745
2609 * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2610 from special handling.
2612 2009-01-26 Richard Guenther <rguenther@suse.de>
2614 PR tree-optimization/38745
2615 * tree-ssa.c (execute_update_addresses_taken): Do not include
2616 variables that cannot possibly be a register in not_reg_needs.
2617 Do not clear TREE_ADDRESSABLE on vars that may not become
2619 * tree-ssa.c (update_alias_info_1): Include those in the set
2620 of addressable vars.
2622 2009-01-26 Richard Guenther <rguenther@suse.de>
2625 * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2626 * tree-ssa-dse.c: Include langhooks.h
2627 (execute_simple_dse): Remove stores with zero size.
2629 2009-01-24 Jakub Jelinek <jakub@redhat.com>
2632 * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2635 2009-01-24 Julian Brown <julian@codesourcery.com>
2637 * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2638 config/arm/linux-atomic.c.
2639 * config/arm/linux-atomic.c: New.
2641 2009-01-24 Eric Botcazou <ebotcazou@adacore.com>
2643 * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2644 * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2645 * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2647 2009-01-24 H.J. Lu <hongjiu.lu@intel.com>
2650 * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2653 2009-01-24 Sebastian Pop <sebastian.pop@amd.com>
2655 PR tree-optimization/38953
2656 * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2657 (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2658 (gloog): Split the exit of the scop when the scop exit is a loop exit.
2659 (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2662 2009-01-24 Paul Brook <paul@codesourcery.com>
2664 * config/arm/neon.md (neon_type): Move to arm.md.
2665 (neon_mov<VSTRUCT>): Add neon_type attribute.
2666 * config/arm/arm.md (neon_type): Move to here.
2667 (conds): Add "unconditioal" and use as default for NEON insns.
2669 2009-01-24 Ben Elliston <bje@au.ibm.com>
2671 * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2672 void *' warning from -Wc++-compat.
2673 * Makefile.in (dominance.o-warn): Remove.
2675 2009-01-23 Paolo Bonzini <bonzini@gnu.org>
2677 PR tree-optimization/38932
2678 * fold-const.c (fold_unary_ignore_overflow): New.
2679 * tree.h (fold_unary_ignore_overflow): Declare.
2680 * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2681 * tree-ssa-sccvn.c (visit_reference_op_load,
2682 simplify_unary_expression): Likewise.
2684 2009-01-22 Adam Nemet <anemet@caviumnetworks.com>
2686 * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2687 DECL_BIT_FIELD is alreay known. Also inherit packed for bitfields
2688 regardless of their type.
2689 * c-common.c (handle_packed_attribute): Don't ignore packed on
2691 * c.opt (Wpacked-bitfield-compat): New warning option.
2692 * stor-layout.c (place_field): Warn if offset of a field changed.
2693 * doc/extend.texi (packed): Mention the ABI change.
2694 * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2695 (Warning Options): Add it to the list.
2697 2009-01-22 H.J. Lu <hongjiu.lu@intel.com>
2699 * c-opts.c (c_common_post_options): Fix a typo in comments.
2701 2009-01-22 Steve Ellcey <sje@cup.hp.com>
2704 * gimplify.c (gimplify_init_constructor): Fix promotion of const
2705 variables to static.
2706 * doc/invoke.texi (-fmerge-all-constants): Update description.
2708 2009-01-22 Uros Bizjak <ubizjak@gmail.com>
2711 * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2712 (*movdi_1_rex64): Use type "mmx" for alternative 5.
2714 2009-01-22 Richard Earnshaw <rearnsha@arm.com>
2716 * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2718 (LOCAL_ALIGNMENT): Similarly.
2720 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2721 Joseph Myers <joseph@codesourcery.com>
2723 * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2724 * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2725 * config/arm/arm-tune.md: Regenerate.
2726 * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2729 2009-01-22 Mark Shinwell <shinwell@codesourcery.com>
2731 * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2732 version number to five.
2734 2009-01-22 Dodji Seketeli <dodji@redhat.com>
2737 * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2738 * c-common.c (set_underlying_type): Likewise.
2739 (is_typedef_decl ): Likewise
2741 (set_underlying_type): Likewise.
2742 (is_typedef_type): Likewise.
2744 2009-01-21 Vladimir Makarov <vmakarov@redhat.com>
2747 * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2750 2009-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
2753 * config/i386/cygwin.h (SHARED_LIBGCC_SPEC): New helper macro.
2754 (LIBGCC_SPEC): Don't define.
2755 (REAL_LIBGCC_SPEC): Define instead, using SHARED_LIBGCC_SPEC.
2757 2009-01-21 Uros Bizjak <ubizjak@gmail.com>
2759 PR rtl-optimization/38879
2760 * alias.c (base_alias_check): Unaligned access via AND address can
2761 alias all surrounding object types except those with sizes equal
2762 or wider than the size of unaligned access.
2764 2009-01-21 Dodji Seketeli <dodji@redhat.com>
2767 * c-decl.c: (clone_underlying_type): Move this ...
2768 * c-common.c (set_underlying_type): ... here.
2769 Also, make sure the function properly sets TYPE_STUB_DECL() on
2770 the newly created typedef variant type.
2771 (is_typedef_decl ): New entry point.
2772 * tree.h: Added a new member member_types_needing_access_check to
2773 struct tree_decl_non_common.
2774 (set_underlying_type): New entry point.
2775 (is_typedef_type): Likewise.
2777 2009-01-21 Bingfeng Mei <bmei@broadcom.com>
2779 * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2780 Check whether two instructions have memory references that
2781 belong to conflicting alias sets. walk_mems_1 and walk_mems_2
2782 are helper functions for traversing.
2783 * alias.h (insn_alias_sets_confilict_p): New prototypes.
2784 * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2785 not to draw dependency edge for instructions with non-conflicting
2788 2009-01-20 Joseph Myers <joseph@codesourcery.com>
2791 * longlong.h: Update copyright years. Use soft-fp license notice.
2792 Sync __clz_tab declaration with glibc.
2794 2009-01-20 Steve Ellcey <sje@cup.hp.com>
2797 * doc/extend.texi (syscall_linkage): New.
2798 (version_id): Modify.
2800 2009-01-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2801 Richard Guenther <rguenther@suse.de>
2803 PR tree-optimization/38747
2804 PR tree-optimization/38748
2805 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2806 conversion if the base address is an indirect reference and the
2807 aliasing sets could cause issues.
2809 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2811 * common.opt (fgraphite, fgraphite-identity): Add comment for
2812 explaining why these options are not documented.
2814 2009-01-20 Sebastian Pop <sebastian.pop@amd.com>
2816 * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2817 gimple_call_lhs is NULL.
2819 2009-01-20 Paolo Bonzini <bonzini@gnu.org>
2822 * emit-rtl.c (adjust_address_1): Make sure memref is never
2825 2009-01-20 Ben Elliston <bje@au.ibm.com>
2827 * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2828 const qualifier from arg parameter. Remove unnecessary cast to char *.
2829 * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2830 const qualifier from arg 2.
2832 2009-01-19 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
2834 * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2836 2009-01-19 Vladimir Makarov <vmakarov@redhat.com>
2839 * rtl.h (reinit_regs): New prototype.
2840 * regclass.c: Include ira.h.
2842 * Makefile.in (regclass.o): Add ira.h.
2843 * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2845 2009-01-18 H.J. Lu <hongjiu.lu@intel.com>
2848 * c-common.c (handle_aligned_attribute): Use
2849 ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2850 default alignment value.
2852 * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2854 * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2855 * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2857 * doc/extend.texi: Update __attribute__ ((aligned)). Document
2858 __BIGGEST_ALIGNMENT__.
2860 * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2862 2009-01-18 Richard Guenther <rguenther@suse.de>
2864 PR tree-optimization/38819
2865 * tree-flow.h (operation_could_trap_helper_p): Declare.
2866 * tree-eh.c (operation_could_trap_helper_p): Export.
2867 * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2868 * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2869 * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2870 are about to insert a possibly trapping instruction and fail
2873 2009-01-18 Andreas Schwab <schwab@suse.de>
2875 * doc/install.texi (Configuration): Remove obsolete paragraph
2876 about use of --with-gnu-ld with --with-gnu-as.
2878 2009-01-18 Kazu Hirata <kazu@codesourcery.com>
2880 * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2881 doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2882 Follow spelling conventions.
2884 2009-01-18 Ben Elliston <bje@au.ibm.com>
2886 * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2887 C++ warning about implicit conversion from void * to struct
2889 (bitmap_obstack_free): Likewise for bitmap_element *.
2890 * Makefile.in (bitmap.o-warn): Remove.
2892 2009-01-17 Dave Korn <dave.korn.cygwin@gmail.com>
2894 * Makefile.in (BACKENDLIBS): Reorder to match dependencies.
2896 2009-01-17 Sebastian Pop <sebastian.pop@amd.com>
2897 Tobias Grosser <tobi.grosser@amd.com>
2899 * graphite.c (graphite_trans_scop_block): Do not block single
2902 2009-01-16 Alexandre Oliva <aoliva@redhat.com>
2904 * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2905 * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2906 test with assertion.
2908 2009-01-16 Richard Guenther <rguenther@suse.de>
2910 PR tree-optimization/38835
2912 * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2913 and INT + PTR -> (INT)(PTR p+ INT) folding.
2914 * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2916 2009-01-16 Adam Nemet <anemet@caviumnetworks.com>
2919 * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2920 the subreg from a lowpart subreg if it is also casting the value.
2922 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2923 Tobias Grosser <tobi.grosser@amd.com>
2925 * graphite.c (compare_prefix_loops): New.
2926 (build_scop_canonical_schedules): Rewritten.
2927 (graphite_transform_loops): Move build_scop_canonical_schedules
2928 after build_scop_iteration_domain.
2930 2009-01-16 Sebastian Pop <sebastian.pop@amd.com>
2931 Tobias Grosser <tobi.grosser@amd.com>
2933 * graphite.c (add_conditions_to_domain): Add the loops to
2934 the dimension of the iteration domain. Do copy the domain
2935 only when it exists.
2936 (build_scop_conditions_1): Do not call add_conditions_to_domain.
2937 (add_conditions_to_constraints): New.
2938 (can_generate_code_stmt, can_generate_code): Removed.
2939 (gloog): Do not call can_generate_code.
2940 (graphite_transform_loops): Call add_conditions_to_constraints
2941 after building the iteration domain.
2943 2009-01-16 Jakub Jelinek <jakub@redhat.com>
2945 PR tree-optimization/38789
2946 * tree-ssa-threadedge.c
2947 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2948 __builtin_constant_p.
2950 2009-01-16 Kenneth Zadeck <zadeck@naturalbridge.com>
2952 * dce.c (delete_unmarked_insns): Reversed the order that insns are
2953 examined before deleting them.
2955 2009-01-16 Richard Earnshaw <rearnsha@arm.com>
2957 * function.c (aggregate_value_p): Correctly extract the function
2958 type from CALL_EXPR_FN lookup.
2960 2009-01-16 Hariharan Sandanagobalane <hariharan@picochip.com>
2962 * config/picochip/picochip.c (picochip_override_options): Revert
2963 CFI asm flag disable commited previously.
2965 2009-01-15 Sebastian Pop <sebastian.pop@amd.com>
2966 Tobias Grosser <tobi.grosser@amd.com>
2967 Jan Sjodin <jan.sjodin@amd.com>
2969 * graphite.c (scan_tree_for_params): On substractions negate
2970 all the coefficients of the term.
2971 (clast_to_gcc_expression_red): New. Handle reduction expressions
2972 of more than two operands.
2973 (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2974 (get_vdef_before_scop): Handle also the case of default definitions.
2976 2009-01-15 Richard Sandiford <rdsandiford@googlemail.com>
2978 * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2979 (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2980 Also use them when walking CALL_INSN_FUNCTION_USAGE.
2982 2009-01-15 H.J. Lu <hongjiu.lu@intel.com>
2983 Joey Ye <joey.ye@intel.com>
2986 * cfgexpand.c (expand_stack_alignment): Don't update stack
2987 boundary nor check incoming stack boundary here.
2988 (gimple_expand_cfg): Update stack boundary and check incoming
2989 stack boundary here.
2991 2009-01-15 Kenneth Zadeck <zadeck@naturalbridge.com>
2993 * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2995 2009-01-14 Jakub Jelinek <jakub@redhat.com>
2997 PR rtl-optimization/38245
2998 * calls.c (expand_call): Add stack arguments to
2999 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3000 ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
3001 in regs and partially in memory or BLKmode arguments.
3002 (emit_library_call_value_1): Add stack arguments to
3003 CALL_INSN_FUNCTION_USAGE even for pure calls (when
3004 ACCUMULATE_OUTGOING_ARGS).
3005 * dce.c: Include tm_p.h.
3006 (find_call_stack_args): New function.
3007 (deletable_insn_p): Call it for CALL_P insns. Add ARG_STORES
3009 (mark_insn): Call find_call_stack_args for CALL_Ps.
3010 (prescan_insns_for_dce): Walk insns backwards in bb rather than
3011 forwards. Allocate and free arg_stores bitmap if needed, pass it
3012 down to deletable_insn_p, don't mark stores set in arg_stores
3013 bitmap, clear the bitmap at the beginning of each bb.
3014 * Makefile.in (dce.o): Depend on $(TM_P_H).
3016 2009-01-14 Michael Meissner <gnu@the-meissners.org>
3019 * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
3020 to make sure the insn is a conditional test (bug 22599). Reformat a
3023 2009-01-14 Sebastian Pop <sebastian.pop@amd.com>
3026 * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
3027 (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
3028 (gloog): Do not call cleanup_tree_cfg.
3029 (graphite_transform_loops): Call cleanup_tree_cfg after all
3030 scops have been code generated.
3032 2009-01-14 Basile Starynkevitch <basile@starynkevitch.net>
3033 * doc/gty.texi (Invoking the garbage collector): Added new node
3034 and section documenting ggc_collect.
3036 2009-01-14 Richard Guenther <rguenther@suse.de>
3038 PR tree-optimization/38826
3040 * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
3041 initialization notes only if we actually emitted a warning.
3042 (intra_create_variable_infos): Add constraints for a result decl
3043 that is passed by hidden reference.
3044 (build_pred_graph): Mark all related variables non-direct on
3047 2009-01-14 Nick Clifton <nickc@redhat.com>
3049 * ira-conflicts.c: Include addresses.h for the definition of
3051 (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
3052 * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
3054 2009-01-13 Vladimir Makarov <vmakarov@redhat.com>
3057 * Makefile.in (ira-lives.o): Add except.h.
3059 * ira-lives.c: Include except.h.
3060 (process_bb_node_lives): Process can_throw_internal.
3062 2009-01-13 Jakub Jelinek <jakub@redhat.com>
3064 PR rtl-optimization/38774
3065 * combine.c (simplify_set): When undoing cc_use change, don't do
3066 PUT_CODE on the newly created comparison, but instead put back the
3069 2009-01-13 Joseph Myers <joseph@codesourcery.com>
3071 * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
3072 values. Remove duplicate arm8 entry.
3074 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3076 PR tree-optimization/38786
3077 * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
3078 the SSA_NAME case of expand_scalar_variables_expr.
3079 Set the type of an expression to the type of its assign statement.
3080 (expand_scalar_variables_expr): Also gather the scalar computation
3081 used to index the memory access. Do not pass loop_p.
3082 Fix comment. Stop recursion on tcc_constant or tcc_declaration.
3083 (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
3084 the gimple_stmt_iterator where it inserts new code.
3086 (copy_bb_and_scalar_dependences): Do not pass loop_p.
3087 (translate_clast): Update call to copy_bb_and_scalar_dependences.
3089 2009-01-13 Sebastian Pop <sebastian.pop@amd.com>
3091 * graphite.h (debug_value): Removed.
3092 * graphite.c (debug_value): Removed.
3094 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3096 * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
3097 ldrd/strd with two 32-bit instructions.
3099 2009-01-13 Richard Earnshaw <rearnsha@arm.com>
3101 * config/arm/arm.c (struct processors): Pass for speed down into
3102 cost helper functions.
3103 (const_ok_for_op): Handle COMPARE and inequality nodes.
3104 (arm_rtx_costs_1): Rewrite.
3105 (arm_size_rtx_costs): Update prototype.
3106 (arm_rtx_costs): Pass speed down to helper functions.
3107 (arm_slowmul_rtx_costs): Rework cost calculations.
3108 (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
3109 (arm_9e_rtx_costs): Likewise.
3111 2009-01-13 Uros Bizjak <ubizjak@gmail.com>
3113 * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
3114 relocations of local symbols wider than UNITS_PER_WORD are not valid.
3115 (alpha_legitimize_address): Do not split local symbols wider than
3116 UNITS_PER_WORD into HIGH/LO_SUM parts.
3118 2009-01-13 Danny Smith <dannysmith@users.sourceforge.net>
3121 * gcc.c (process_command): Replace call to execvp with calls
3122 to pex_one and exit.
3124 2009-01-03 Anatoly Sokolov <aesok@post.ru>
3127 * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
3128 * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
3129 variant for devices with 3-byte PC.
3130 (__tablejump_elpm__) : New.
3132 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3135 * c-parser.c (c_parser_postfix_expression): Allow `->' in
3136 offsetof member-designator, handle it as `[0].'.
3138 2009-01-12 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3140 * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
3141 function when not using named sections on targets with named sections
3142 if branch distance is less than 262132.
3144 2009-01-12 Richard Earnshaw <rearnsha@arm.com>
3146 * combine.c (combine_instructions): Recompute
3147 optimize_this_for_speed_p for each BB in the main combine loop.
3149 2009-01-12 Tomas Bily <tbily@suse.cz>
3152 * tree-loop-distribution.c (prop_phis): New function.
3153 (generate_builtin): Call prop_phis.
3154 * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
3156 2009-01-12 Jakub Jelinek <jakub@redhat.com>
3158 PR tree-optimization/38807
3159 * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
3160 gimple_visited_p unless stmt is GIMPLE_ASSIGN.
3162 2009-01-11 Adam Nemet <anemet@caviumnetworks.com>
3164 * expmed.c (store_bit_field_1): Properly truncate the paradoxical
3165 subreg of op0 to the original op0.
3167 2009-01-11 Laurent GUERBY <laurent@guerby.net>
3169 * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
3171 2009-01-11 Markus Schoepflin <markus.schoepflin@comsoft.de>
3174 * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
3175 starting with digits.
3177 2009-01-10 Jakub Jelinek <jakub@redhat.com>
3180 * config/arm/arm.c (arm_is_long_call_p): Don't call
3181 arm_function_in_section_p if decl isn't a FUNCTION_DECL.
3183 2009-01-09 Steven Bosscher <steven@gcc.gnu.org>
3185 * regrename.c (regrename_optimize): Fix dumping.
3186 (find_oldest_value_reg): Preserve REG_POINTER.
3187 (copy_hardreg_forward_1): Likewise.
3189 2009-01-09 Diego Novillo <dnovillo@google.com>
3191 * gimple.h (struct gimple_statement_base) <uid>: Document
3192 the restrictions on its use.
3194 (gimple_set_uid): Tidy.
3196 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3198 * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
3199 zero guard even if align_bytes != 0 and count is smaller than
3202 2009-01-09 Vladimir Makarov <vmakarov@redhat.com>
3204 PR rtl-optimization/38495
3205 * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
3206 (add_range_and_copies_from_move_list): Print all added ranges.
3207 Add ranges to memory optimized destination.
3209 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3213 * config/i386/i386.c (override_options): Reject
3214 -mstringop-strategy=rep_8byte with -m32.
3215 (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
3216 to 1. Do count comparison against epilogue_size_needed at compile
3217 time even when count_exp was constant forced into register. For
3218 size_needed don't jump to epilogue, instead just avoid aligning
3219 and invoke the body algorithm. If need_zero_guard, add zero guard
3220 even if count is non-zero, but smaller than size_needed + number of
3221 bytes that could be stored for alignment.
3222 (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
3223 to 1. If need_zero_guard, add zero guard even if count is non-zero,
3224 but smaller than size_needed + number of bytes that could be stored
3225 for alignment. Compare size_needed with epilogue_size_needed instead
3226 of desired_align - align, don't adjust size_needed, pass
3227 epilogue_size_needed to the epilogue expanders.
3230 * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
3232 2009-01-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3234 * pa.c (last_address): Change to unsigned.
3235 (update_total_code_bytes): Change argument to unsigned. Don't
3236 check if insn addresses are set.
3237 (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
3238 addresses are not set.
3239 (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
3241 2009-01-09 Nick Clifton <nickc@redhat.com>
3243 * config/sh/symbian.c: Replace uses of DECL_INLINE with
3244 DECL_DECLARED_INLINE_P.
3246 2009-01-09 Jakub Jelinek <jakub@redhat.com>
3249 * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
3250 GET_MODE (op0) in operand_subword_force calls.
3253 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
3254 fold_convert arg0 operands to TREE_TYPE (op0) first.
3256 2009-01-08 Vladimir Makarov <vmakarov@redhat.com>
3258 * params.def (ira-max-conflict-table-size): Decrease default value
3261 2009-01-08 Jakub Jelinek <jakub@redhat.com>
3263 PR tree-optimization/37031
3264 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
3266 (build_access_matrix): Reserve correct size for AM_MATRIX vector,
3267 allocate it using gc instead of heap, use VEC_quick_push instead of
3269 * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
3270 instead of heap, use VEC_quick_push instead of VEC_safe_push.
3271 * tree-data-ref.h (struct access_matrix): Change matrix to gc
3272 allocated vector from heap allocated.
3273 * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
3274 * tree-loop-linear.c (linear_transform_loops): Allocate nest
3275 vector only after perfect_loop_nest_depth call.
3277 2009-01-08 Sebastian Pop <sebastian.pop@amd.com>
3278 Jan Sjodin <jan.sjodin@amd.com>
3280 PR tree-optimization/38559
3281 * graphite.c (debug_value, copy_constraint,
3282 swap_constraint_variables, scale_constraint_variable, ): New.
3283 (get_lower_bound, get_upper_bound): Removed.
3284 (graphite_trans_bb_strip_mine): Clean up this code that works
3285 only for constant number of iterations. Fully copy upper and
3286 lower bound constraints, not only the constant part of them.
3287 * graphite.h (debug_value): Declared.
3289 2009-01-08 Ira Rosen <irar@il.ibm.com>
3291 PR tree-optimization/37194
3292 * tree-vect-transform.c (vect_estimate_min_profitable_iters):
3293 Don't add the cost of cost model guard in prologue to scalar
3294 outside cost in case of known number of iterations.
3296 2009-01-07 Nathan Froyd <froydnj@codesourcery.com>
3297 Alan Modra <amodra@bigpond.net.au>
3299 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3300 non-word-aligned REG+CONST addressing.
3302 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3305 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3306 free_after_compilation when outputting a thunk.
3307 (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3308 Do not call free_after_compilation here.
3310 2009-01-07 Uros Bizjak <ubizjak@gmail.com>
3312 * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3313 (ix86_valid_target_attribute_inner_p): Ditto.
3315 2009-01-07 Jan Sjodin <jan.sjodin@amd.com>
3317 PR tree-optimization/38492
3318 PR tree-optimization/38498
3319 * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3320 * tree-chrec.h (scev_is_linear_expression): Declared.
3321 * graphite.c (graphite_cannot_represent_loop_niter): New.
3322 (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3323 (graphite_loop_normal_form): Use gcc_assert.
3324 (scan_tree_for_params): Use CASE_CONVERT.
3325 (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3326 (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3327 Use gcc_assert. Discard scops that contain unhandled cases.
3328 (build_scop_conditions): Return a boolean status for unhandled cases.
3329 (strip_mine_profitable_p): Print the loop number, not its depth.
3330 (is_interchange_valid): Pass the depth of the loop nest, don't
3331 recompute it wrongly.
3332 (graphite_trans_bb_block): Same.
3333 (graphite_trans_bb_block): Print tentative of loop blocking.
3334 (graphite_trans_scop_block): Do not print that the loop has been
3336 (graphite_transform_loops): Do not handle scops that contain condition
3339 2009-01-07 H.J. Lu <hongjiu.lu@intel.com>
3341 AVX Programming Reference (December, 2008)
3342 * config/i386/avxintrin.h (_mm256_stream_si256): New.
3343 (_mm256_stream_pd): Likewise.
3344 (_mm256_stream_ps): Likewise.
3346 * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3347 IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3348 (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3349 (bdesc_special_args): Add __builtin_ia32_movntdq256,
3350 __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3351 (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3352 (ix86_expand_special_args_builtin): Likewise.
3354 * config/i386/sse.md (AVXMODEDI): New.
3355 (avx_movnt<mode>): Likewise.
3356 (avx_movnt<mode>): Likewise.
3357 (<sse>_movnt<mode>): Remove AVX support.
3358 (sse2_movntv2di): Likewise.
3360 2009-01-07 Richard Guenther <rguenther@suse.de>
3363 * fold-const.c (extract_muldiv): Remove obsolete comment.
3364 (fold_plusminus_mult_expr): Undo MINUS_EXPR
3365 to PLUS_EXPR canonicalization for the canonicalization.
3367 2009-01-07 Gerald Pfeifer <gerald@pfeifer.com>
3369 * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3370 hosted cross-compilers generating less efficient code.
3372 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3374 * function.h (rtl_data): Add a dbr_scheduled_p field.
3375 * reorg.c (dbr_schedule): Set it.
3376 (gate_handle_delay_slots): Check it.
3377 * config/mips/mips.c (mips_base_delayed_branch): Delete.
3378 (mips_reorg): Check flag_delayed_branch instead of
3379 mips_base_delayed_branch.
3380 (mips_override_options): Don't set mips_base_delayed_branch
3381 or flag_delayed_branch.
3383 2009-01-06 Richard Sandiford <rdsandiford@googlemail.com>
3385 PR rtl-optimization/38426.
3386 * ira.c (ira): Set current_function_is_leaf earlier.
3388 2009-01-06 Jakub Jelinek <jakub@redhat.com>
3390 PR rtl-optimization/38722
3391 * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3392 too early, only set a flag and modify after last possible
3395 2009-01-06 Janis Johnson <janis187@us.ibm.com>
3398 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3399 * real.c (decimal_single_format): Correct values of emin and emax.
3400 (decimal_double_format): Ditto.
3401 (decimal_quad_format): Ditto.
3402 * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3403 computation of DECnn_MIN and DECnn_MAX for corrected values of
3404 emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of
3405 __DECnn_MIN__, and adjust its computation for the corrected value
3408 2009-01-06 Jan Hubicka <jh@suse.cz>
3411 * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3413 2009-01-06 Gerald Pfeifer <gerald@pfeifer.com>
3415 * doc/contrib.texi (Contributors): Slightly adjust the end note.
3416 Add Robert Clark to the list of testers.
3418 2009-01-06 Jan Hubicka <jh@suse.cz>
3419 Kai Tietz <kai.tietz@onevision.com>
3421 * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3422 * config/i386/i386.c (ix86_expand_call): Add clobbers.
3424 2009-01-06 Jan Hubicka <jh@suse.cz>
3425 Kai Tietz <kai.tietz@onevision.com>
3427 * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3429 * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3430 (ix86_nsaved_regs): Count only general purpose regs.
3431 (ix86_nsaved_sseregs): New.
3432 (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3433 to 16 for w64; compute padding and size of sse reg save area.
3434 (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3435 general purpose regs.
3436 (ix86_emit_save_sse_regs_using_mov): New.
3437 (ix86_expand_prologue): Save SSE regs if needed.
3438 (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3439 (ix86_emit_restore_sse_regs_using_mov): New.
3440 (ix86_expand_epilogue): Save SSE regs if needed.
3442 2009-01-06 Jan Hubicka <jh@suse.cz>
3443 Kai Tietz <kai.tietz@onevision.com>
3445 * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3446 * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3447 functions when accumulate outgoing args is off.
3449 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3452 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3453 before using pseudos_have_intersected_live_ranges_p.
3455 * ira-int.h (ira_assert): Always define.
3457 2009-01-06 H.J. Lu <hongjiu.lu@intel.com>
3459 AVX Programming Reference (December, 2008)
3460 * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3461 (_mm256_permute2_pd): Likewise.
3462 (_mm_permute2_ps): Likewise.
3463 (_mm256_permute2_ps): Likewise.
3464 * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3465 * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3467 * config/i386/i386.c (ix86_builtins): Remove
3468 IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3469 IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3470 (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3471 V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3472 and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3473 (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3474 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3475 __builtin_ia32_vpermil2ps256.
3476 (ix86_init_mmx_sse_builtins): Updated.
3477 (ix86_expand_args_builtin): Likewise.
3479 2009-01-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3481 * pa.c (output_call): Relocate non-jump insns in the delay slot of
3482 long absolute calls when generating PA 2.0 code.
3484 2009-01-05 Vladimir Makarov <vmakarov@redhat.com>
3486 PR rtl-optimization/38583
3487 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3489 * params.def (ira-max-conflict-table-size): New.
3491 * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3493 * ira.h (ira_conflicts_p): New external definition.
3495 * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3496 table. Report this. Return result of building.
3497 (ira_build_conflicts): Use ira_conflicts_p. Check result of
3498 building conflict table.
3500 * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3501 (ira_color): Use ira_conflicts_p.
3503 * global.c: Include ira.h.
3504 (pseudo_for_reload_consideration_p, build_insn_chain): Use
3507 * Makefile.in (global.o): Add ira.h.
3509 * ira-build.c (mark_all_loops_for_removal,
3510 propagate_some_info_from_allocno): New.
3511 (remove_unnecessary_allocnos): Call
3512 propagate_some_info_from_allocno.
3513 (remove_low_level_allocnos): New.
3514 (remove_unnecessary_regions): Add parameter. Call
3515 mark_all_loops_for_removal and remove_low_level_allocnos. Pass
3516 parameter to remove_unnecessary_regions.
3517 (ira_build): Remove all regions but root if the conflict table was
3518 not built. Update conflict hard regs for allocnos crossing calls.
3520 * ira.c (ira_conflicts_p): New global.
3521 (ira): Define and use ira_conflicts_p.
3523 * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3524 count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3525 emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3527 2009-01-06 Ben Elliston <bje@au.ibm.com>
3529 * gengtype-lex.l (YY_NO_INPUT): Define.
3531 2009-01-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
3534 * c-common.c (handle_vector_size_attribute): Also reject
3537 2009-01-05 Sebastian Pop <sebastian.pop@amd.com>
3539 PR tree-optimization/38492
3540 * graphite.c (rename_map_elt, debug_rename_elt,
3541 debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3542 rename_map_elt_info, eq_rename_map_elts,
3543 get_new_name_from_old_name, bb_in_sese_p): Moved around.
3544 (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3545 (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3546 (sese_build_livein_liveouts): New.
3547 (new_sese, free_sese): New.
3548 (new_scop): Call new_sese.
3549 (free_scop): Call free_sese.
3550 (rename_variables_from_edge, rename_phis_end_scop): Removed.
3551 (register_old_new_names): Renamed register_old_and_new_names.
3552 (register_scop_liveout_renames, add_loop_exit_phis,
3553 insert_loop_close_phis, struct igp,
3554 default_liveout_before_guard, add_guard_exit_phis,
3555 insert_guard_phis, copy_renames): New.
3556 (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3557 (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3558 (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3559 (scop_adjust_phis_for_liveouts): New.
3560 (gloog): Call scop_adjust_phis_for_liveouts.
3562 * graphite.h (struct sese): Documented. Added fields liveout,
3564 (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3565 (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3566 (struct scop): Added field liveout_renames.
3567 (SCOP_LIVEOUT_RENAMES): New.
3569 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3571 PR tree-optimization/38510
3572 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3573 (translate_clast): Call recompute_all_dominators before
3575 (gloog): Call recompute_all_dominators before graphite_verify.
3577 2009-01-05 Harsha Jagasia <harsha.jagasia@amd.com>
3578 Jan Sjodin <jan.sjodin@amd.com>
3580 PR tree-optimization/38500
3581 * graphite.c (create_sese_edges): Call fix_loop_structure after
3584 2009-01-05 Joel Sherrill <joel.sherrill@oarcorp.com>
3586 * config.gcc: Add m32r*-*-rtems*.
3587 * config/m32r/rtems.h: New file.
3589 2009-01-05 Ben Elliston <bje@au.ibm.com>
3591 * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3592 (.po.pox): Likewise.
3593 (po/gcc.pot): Likewise.
3595 2009-01-04 David S. Miller <davem@davemloft.net>
3597 * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3598 (STARTING_FRAME_OFFSET): Always set to zero.
3600 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3602 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3603 * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3604 fixed-point types, and vectors of the same.
3606 2009-01-04 Richard Sandiford <rdsandiford@googlemail.com>
3608 * config/mips/sync.md (*mb_barrier): Rename to...
3609 (*memory_barrier): ...this.
3611 2009-01-04 Jonathan Wakely <jwakely.gcc@gmail.com>
3613 * doc/extend.texi (Function Attributes): Move @cindex after @item
3614 for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3615 and put in alphabetical order. Fix 'target' name and put in order.
3616 * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3619 2009-01-04 Uros Bizjak <ubizjak@gmail.com>
3621 * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3622 (memory_barrier): Expand as unspec instead of unspec_volatile.
3623 Remove mem:BLK from insn operands. Use Pmode scratch register.
3624 (*memory_barrier): Define as unspec instead of unspec_volatile.
3625 Use (match_dup 0) as input operand.
3627 * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3628 * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3629 unspec_volatile. Remove mem:BLK from insn operands. Use Pmode
3630 scratch register. Remove operand 1.
3631 (*stbar): Define as unspec instead of unspec_volatile.
3632 Use (match_dup 0) as input operand, remove (const_int 8).
3633 (*membar): Define as unspec instead of unspec_volatile.
3634 Use (match_dup 0) as input operand, remove input operand 2.
3636 * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3637 (memory_barrier): Expand as unspec instead of unspec_volatile.
3638 Remove mem:BLK from insn operands. Use Pmode scratch register.
3639 (*memory_barrier): Define as unspec instead of unspec_volatile.
3640 Use (match_dup 0) as input operand.
3642 * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3643 Remove mem:BLK from insn operands. Use Pmode scratch register.
3644 Set volatile flag on operand 0.
3645 (*memory_barrier): New insn pattern.
3647 * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3649 (*memory_barrier): Use (match_dup 0) as input operand.
3651 * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3652 Remove mem:BLK from insn operands. Use Pmode scratch register.
3653 Set volatile flag on operand 0.
3654 (*mb_internal): New insn pattern.
3656 * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3658 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3661 * function.c (struct temp_slot): Move to the section of the file
3662 that deals with temp slots. Remove field 'address'.
3663 (temp_slot_address_table): New hash table of address -> temp slot.
3664 (struct temp_slot_address_entry): New struct, items for the table.
3665 (temp_slot_address_compute_hash, temp_slot_address_hash,
3666 temp_slot_address_eq, insert_temp_slot_address): Support functions
3668 (find_temp_slot_from_address): Rewrite to use the new hash table.
3669 (remove_unused_temp_slot_addresses): Remove addresses of temp
3670 slots that have been made available.
3671 (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3672 worker function for remove_unused_temp_slot_addresses.
3673 (assign_stack_temp_for_type): Don't clear the temp slot address list.
3674 Add the temp slot address to the address -> temp slot map.
3675 (update_temp_slot_address): Update via insert_temp_slot_address.
3676 (free_temp_slots): Call remove_unused_temp_slot_addresses.
3677 (pop_temp_slots): Likewise.
3678 (init_temp_slots): Allocate the address -> temp slot map, or empty
3679 the map if it is already allocated.
3680 (prepare_function_start): Initialize temp slot processing.
3682 2009-01-04 Steven Bosscher <steven@gcc.gnu.org>
3685 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3686 Calculate the size of all stack vars assuming no packing of stack
3687 vars will happen, replacing a quadratic algorithm with a linear one.
3689 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3692 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3695 2009-01-03 Diego Novillo <dnovillo@google.com>
3697 * doc/contrib.texi: Update contributions.
3699 2009-01-03 Jakub Jelinek <jakub@redhat.com>
3702 * builtins.c (fold_builtin_memory_op): Give up if either operand
3703 is volatile. Set srctype or desttype to non-qualified version
3707 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3710 2009-01-02 Kenneth Zadeck <zadeck@naturalbridge.com>
3712 PR rtl-optimization/35805
3713 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3714 problem if fast dce is able to remove any instructions.
3715 * dce.c (dce_process_block): Fix dump message.
3717 2009-01-02 Mark Mitchell <mark@codesourcery.com>
3720 * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3722 2009-01-02 Jakub Jelinek <jakub@redhat.com>
3725 * tree-flow.h (op_code_prio, op_prio): New prototypes.
3726 * tree-pretty-print.c (op_code_prio): New function.
3727 (op_prio): No longer static. Use op_code_prio.
3728 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3729 Use op_prio and op_code_prio to determine if () should be
3730 printed around operand(s) or not.
3732 * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3733 dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3734 dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3735 dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3736 pp_character instead of pp_string for single letter printing.
3738 2009-01-02 Richard Sandiford <rdsandiford@googlemail.com>
3740 * doc/extend.texi: Fix '#pragma GCC option' typo.
3742 2009-01-02 Richard Guenther <rguenther@suse.de>
3744 * doc/install.texi (--enable-checking): Mention different
3746 (--enable-stage1-checking): Document.
3748 2009-01-01 Andrew Pinski <pinskia@gmail.com>
3751 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR
3752 case to be an error.
3754 2009-01-02 Ben Elliston <bje@au.ibm.com>
3756 * config/fp-bit.h (pack_d): Constify argument.
3757 * config/fp-bit.c (makenan): Constify return type. Remove casts.
3758 (isnan): Constify argument.
3762 (_fpadd_parts): Constify return type.
3763 (_fpmul_parts): Likewise.
3764 (_fpdiv_parts): Likewise.
3766 2009-01-01 Jakub Jelinek <jakub@redhat.com>
3769 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only
3770 warn about overwriting initializer with side-effects or
3771 -Woverride-init if !IMPLICIT.
3772 (output_init_element): Likewise. Pass IMPLICIT down to
3774 (process_init_element): Add IMPLICIT argument. Pass it down
3775 to output_init_element.
3776 (push_init_element, pop_init_level, set_designator): Adjust
3777 process_init_element callers.
3778 (set_nonincremental_init, set_nonincremental_init_from_string):
3779 Adjust add_pending_init callers.
3780 (output_pending_init_elements): Adjust output_init_element callers.
3781 * c-tree.h (process_init_element): Adjust prototype.
3782 * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3783 process_init_element callers.