+2010-09-24 Joseph Myers <joseph@codesourcery.com>
+
+ * common.opt (undef): New.
+
+2010-09-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/45234
+ * rtl.h (enum global_rtl_index): Add
+ GR_VIRTUAL_PREFERRED_STACK_BOUNDARY.
+ (LAST_VIRTUAL_POINTER_REGISTER): Define.
+ (virtual_preferred_stack_boundary_rtx,
+ VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define.
+ (LAST_VIRTUAL_REGISTER): Increase by one.
+ (REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER
+ instead of LAST_VIRTUAL_REGISTER.
+ * function.c (instantiate_new_reg): Handle
+ virtual_preferred_stack_boundary_rtx.
+ * emit-rtl.c (init_virtual_regs): Handle
+ VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
+ (init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx.
+ * explow.c (round_push): If crtl->preferred_stack_boundary
+ is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use
+ virtual_preferred_stack_boundary_rtx alignment instead of
+ crtl->preferred_stack_boundary alignment.
+ (allocate_dynamic_stack_space): Use CONST_INT_P and REG_P
+ macros. Never decrease crtl->preferred_stack_boundary,
+ use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT
+ instead of PREFERRED_STACK_BOUNDARY. Don't modify
+ stack_pointer_delta in dynamic allocation, even when size
+ is constant.
+ (probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P
+ macro.
+ * print-rtl.c (print_rtx): Handle
+ VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
+ * config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use
+ LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER.
+ * config/frv/frv.c (frv_emit_movsi): Likewise.
+ * config/arm/arm.c (thumb1_legitimate_address_p): Likewise.
+ * config/rs6000/rs6000.c (virtual_stack_registers_memory_p):
+ Likewise.
+
+ Revert:
+ 2010-09-17 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR middle-end/45234
+ * calls.c (expand_call): Make sure that all variable sized
+ adjustments are multiple of preferred stack boundary after
+ stack alignment.
+
+2010-09-24 Iain Sandoe <iains@gcc.gnu.org>
+ Dominique Dhumieres <dominiq@lps.ens.fr>
+
+ PR bootstrap/45751
+ * gcc/config/darwin-driver.c (darwin_default_min_version):
+ Adjust size passed to memcpy in two places.
+
+2010-09-24 Richard Guenther <rguenther@suse.de>
+
+ * c-decl.c (pop_scope): Always set file-scope DECL_CONTEXT.
+ Make sure to not call set_type_context with error_mark_node.
+ * langhooks.c (lhd_set_decl_assembler_name): Use DECL_FILE_SCOPE_P.
+
+2010-09-24 Richard Guenther <rguenther@suse.de>
+
+ * Makefile.in (OBJS-onestep): Remove.
+ (ALL_HOST_BACKEND_OBJS): Remove libbackend.o.
+ (libbackend.a): Remove onestep support.
+ (libbackend.o): Remove.
+ * configure.ac (--enable-intermodule): Remove.
+ * configure: Regenerate.
+
+2010-09-24 Bernd Schmidt <bernds@codesourcery.com>
+
+ * cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
+ reaching the end of a block if it occurs at a DEBUG_INSN.
+
+2010-09-09 Tristan Gingold <gingold@adacore.com>
+
+ PR target/44242
+ * config/vms/vms-crt0-64.c: Removed.
+ * config/vms/vms-crt0.c: Removed.
+ * config/vms/vms-psxcrt0-64.c: Removed.
+ * config/vms/vms-psxcrt0.c: Removed.
+ * config/vms/vms-ucrt0.c: New file.
+ * config/vms/t-vms64: Removed.
+ * config/vms/t-vms (VMS_EXTRA_PARTS): Uncomment it. Remove DECC.
+ Use $(GCC_FOR_TARGET) to build pcrt0.o and vcrt0.o
+ * config.gcc (alpha-dec-vms): Use t-vms.
+
+2010-09-24 Nicola Pero <nicola.pero@meta-innovation.com>
+
+ * doc/invoke.texi (-fno-nil-receivers): Tidied up line to remove
+ underfull hbox in DVI output.
+ (-fobjc-class-cxx-cdtors): Same change.
+ (-fobjc-exceptions): Tidied up documentation. Explain what the
+ option does, but moved the (lenghty) description of the exception
+ syntax into objc.texi.
+ (-fobjc-gc): Explain that the option is not useful with the GNU
+ runtime.
+ (-fzero-link): Explain that the GNU runtime always works in
+ "zero-link" mode.
+ * doc/objc.texi: All sections: simplified @node declarations
+ removing specification of next, previous, up node.
+ (Objective-C): Updated introduction.
+ (Garbage Collection): Updated. The bohem-gc library is now
+ included in gcc itself. Mention that this section only applies to
+ the GNU Objective-C runtime.
+ (compatibility_alias): Small tidy up.
+ (Exceptions): New section mostly containing text previously in the
+ description of the -fobjc-exception command-line option.
+ (Synchronization): Same.
+
+2010-09-24 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (ix86_code_end): Move the initialization of
+ xops array near the consumer. Use AX_REG and SP_REG instead of
+ numerical constants.
+
+2010-09-24 Nicola Pero <nicola.pero@meta-innovation.com>
+
+ * c-typeck.c (convert_arguments): Use warning 'too many arguments to
+ method [methodname]' for an Objective-C method instead of the less
+ satisfactory 'too many arguments to function' (with no method name).
+
+2010-09-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-flow.h (execute_update_addresses_taken): Remove parameter.
+ * tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages.
+ (execute_update_addresses_taken): Remove parameter. Execute the
+ optimization unconditionally.
+ * passes.c (execute_function_todo): Call execute_update_addresses_taken
+ unconditionally if TODO_rebuild_alias is set, else only when optimizing
+ if TODO_update_address_taken is set.
+
+2010-09-23 Anatoly Sokolov <aesok@post.ru>
+
+ * config/arm/arm.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
+ * config/arm/arm-protos.h (arm_output_addr_const_extra): Remove.
+ * config/arm/arm.c (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
+ (arm_output_addr_const_extra): Make static.
+
+2010-09-23 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (UNSPECV_NOPS): Rename from UNSPEC_NOPS and
+ define as unspec_volatile.
+ ("nops"): Define as unspec_volatile. Use fputs to write to
+ asm_out_file directly. Output NOPs on separate lines using while loop.
+ * config/i386/i386.c (ix86_code_end): Use fputs to write to
+ asm_out_file directly. Output NOPs on separate lines using while loop.
+
+2010-09-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/45565
+ * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
+ Make sure to adjust the fndecl before replacing the stmt.
+
+2010-09-23 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/45750
+ * gimplify.c (gimplify_expr): Properly pass on GS_ERROR when
+ gimplifying MEM_REF.
+
+2010-09-23 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/rs6000.c (toc_relative_ok): Delete.
+ (rs6000_emit_move): Use SYMBOL_REF_LOCAL_P instead.
+
+2010-09-23 Bernd Schmidt <bernds@codesourcery.com>
+
+ PR rtl-optimization/44374
+ * basic-block.h (enum bb_flags): Add BB_MODIFIED.
+ * df-core.c (df_set_bb_dirty): Set it.
+ * ifcvt.c (find_memory): Remove function.
+ (dead_or_predicable): Use can_move_insns_across.
+ * df.h (can_move_insns_across): Declare function.
+ * cfgcleanup.c (block_was_dirty): New static variable.
+ (try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
+ than df_get_bb_dirty.
+ (try_head_merge_bb): New static function.
+ (try_optimize_cfg): Call it. Call df_analyze if block_was_dirty
+ is set.
+ * df-problems.c: Include "target.h"
+ (df_simulate_find_uses): New static function.
+ (MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
+ (find_memory, find_memory_store): New static functions.
+ (can_move_insns_across): New function.
+ * Makefile.in (df-problems.o): Update dependencies.
+
+2010-09-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR java/44095
+ * config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
+ is specified and the suffix of the file isn't ".c".
+ * config/sparc/linux64.h (ASM_SPEC): Likewise.
+
+2010-09-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/contrib.texi (Contributors): Allow URL to wrap in PDF output.
+ * doc/cppopts.texi: Fix markup of index entry.
+ * doc/extend.texi (Constructing Calls): Fix markup of
+ __builtin_va_arg_pack and __builtin_va_arg_pack_len definition.
+ (Conditionals, C++ Comments, Pragmas, Unnamed Fields, Thread-Local)
+ (Vague Linkage, C++ Attributes): Fix markup of index entries and
+ keywords.
+ * doc/invoke.texi (Option Summary): Fix spacing. Rewrap to
+ avoid long lines.
+ (C Dialect Options, C++ Dialect Options, Warning Options)
+ (Debugging Options, Spec Files, Darwin Options)
+ (i386 and x86-64 Options, MIPS Options)
+ (RS/6000 and PowerPC Options, Code Gen Options): Fix markup of
+ index entries, avoid abbreviations, allow URLs to wrap, avoid
+ long lines, avoid overlong pages from long @itemx lists.
+ * doc/objc.texi (Garbage Collection): Allow URLs to wrap.
+ * doc/standards.texi (Standards): Likewise.
+ * doc/trouble.texi (Incompatibilities): Fix markup of index entry.
+
+2010-09-22 Joseph Myers <joseph@codesourcery.com>
+
+ * opts-common.c (prune_options): Make static. Work with decoded
+ options.
+ (decode_cmdline_options_to_array): Call prune_options. Don't
+ resize option array here.
+ * opts.h (prune_options): Remove prototype.
+ * gcc.c (process_command): Take decoded options; don't call
+ decode_cmdline_options_to_array here. Use decoded options for argv[0].
+ (main): Call decode_cmdline_options_to_array here instead of
+ prune_options. Update call to process_command.
+ * config/darwin-driver.c: Include opts.h.
+ (darwin_default_min_version): Work with decoded options. Don't
+ handle -b or -V here.
+ * config/darwin.h (darwin_default_min_version): Update prototype.
+ (GCC_DRIVER_HOST_INITIALIZATION): Update call to
+ darwin_default_min_version.
+ * config/i386/cygwin.h (mingw_scan): Update prototype.
+ (GCC_DRIVER_HOST_INITIALIZATION): Update call to mingw_scan.
+ * config/i386/cygwin1.c: Include opts.h.
+ (mingw_scan): Work with decoded options.
+ * config/i386/t-cygwin (cygwin1.o): Update dependencies.
+ * config/t-darwin (darwin-driver.o): Update dependencies.
+
+2010-09-22 Joseph Myers <joseph@codesourcery.com>
+
+ * common.opt (-assemble, -compile, -coverage, -debug, -dump,
+ -dump=, -dumpbase, -dumpdir, -entry, -entry=, -extra-warnings,
+ -for-assembler, -for-assembler=, -for-linker, -for-linker=,
+ -force-link, -force-link=, -language, -language=,
+ -library-directory, -library-directory=, -no-canonical-prefixes,
+ -no-standard-libraries, -no-warnings, -optimize, -output,
+ -output=, -pass-exit-codes, -pedantic, -pedantic-errors, -pie,
+ -pipe, -prefix, -prefix=, -preprocess, -print-file-name,
+ -print-file-name=, -print-libgcc-file-name,
+ -print-multi-directory, -print-multi-lib,
+ -print-multi-os-directory, -print-prog-name, -print-prog-name=,
+ -print-search-dirs, -print-sysroot, -print-sysroot-headers-suffix,
+ -profile, -save-temps, -shared, -specs, -specs=, -static,
+ -symbolic, -time, -verbose, -param=, -sysroot, coverage, e, u,
+ symbolic): New.
+ (fhelp, fhelp=, ftarget-help, fversion): Make into aliases.
+ * gcc.c (A Short Introduction to Adding a Command-Line Option):
+ Remove comment.
+ (cc1_options): Correct specs for passing down --help,
+ --target-help and --help=*. Add spec for passing down --version.
+ (struct option_map, option_map, target_option_translations,
+ translate_options): Remove.
+ (driver_handle_option): Handle OPT__version, OPT__help, OPT__help_
+ and OPT__target_help instead of OPT_fversion, OPT_fhelp,
+ OPT_fhelp_ and OPT_ftarget_help.
+ (process_command): Don't call translate_options. Call
+ decode_cmdline_options_to_array before checking for
+ -no-canonical-prefixes using decoded options.
+ * opts-common.c (tm.h): Update comment on #include.
+ (find_opt): Allow abbreviations of long options.
+ (struct option_map, option_map): New.
+ (decode_cmdline_option): Use them instead of hardcoding -Wno, -fno
+ and -mno handling.
+ (target_option_translations): New.
+ (decode_cmdline_options_to_array): Handle
+ TARGET_OPTION_TRANSLATE_TABLE in driver.
+ * opts.c (common_handle_option): Don't handle OPT_fhelp,
+ OPT_ftarget_help, OPT_fhelp_ or OPT_fversion.
+
+2010-09-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-inline.c (optimize_inline_calls): Schedule cleanups
+ only if we inlined something. Block compaction and conditional
+ folding are done by cfg cleanup. Schedule update-address-taken.
+ (tree_function_versioning): Remove redundant call to number_blocks.
+ * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Conditional
+ folding is done by cfg cleanup.
+ * passes.c (init_optimization_passes): Remove update-address-taken
+ pass after IPA inlining.
+
+2010-09-22 Chung-Lin Tang <cltang@codesourcery.com>
+
+ * postreload.c (move2add_note_store): Add reg_symbol_ref[] checks
+ to update conditions. Fix reg_mode[] check.
+
+2010-09-22 Hariharan Sandanagobalane <hariharan@picochip.com>
+
+ * config/picochip/picochip.md (movhicc): Use expand to check whether
+ movhicc is available and split it after reload.
+
+2010-09-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssanames.c (release_dead_ssa_names): Do not remove
+ callee edges here.
+ * passes.c (init_optimization_passes): Remove early CFG cleanup.
+ * tree-optimize.c (execute_cleanup_cfg_pre_ipa): Remove.
+ (pass_cleanup_cfg): Likewise.
+ (execute_fixup_cfg): Cleanup.
+ * tree-pass.h (pass_cleanup_cfg): Remove.
+
+2010-09-22 Martin Jambor <mjambor@suse.cz>
+
+ * gimple-fold.c (fold_gimple_call): New parameter inplace, do not fold
+ builtins if it is true.
+ (fold_stmt_1): Call, fold_gimple_call always, pass inplace as a
+ parameter.
+
+2010-09-22 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (struct access): New field grp_no_warning.
+ (create_access_replacement): Set TREE_NO_WARNING according to
+ grp_no_warning.
+ (create_artificial_child_access): Use build_ref_for_model and set
+ grp_no_warning if build_user_friendly_ref_for_offset fails.
+ (propagate_subaccesses_across_link): Likewise.
+
+2010-09-22 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/35664
+ * config/sparc/constraints.md ('e'): Return NO_REGS if !TARGET_FPU.
+ ('f'): Likewise.
+
+2010-09-22 Tristan Gingold <gingold@adacore.com>
+
+ * config/alpha/alpha.c (alpha_use_linkage): Initialize target field.
+
+2010-09-22 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.h (MAX_STRINGOP_ALGS): Fix typo in the name.
+ * config/i386/i386.c (decide_alg): Update for rename.
+
+2010-09-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/45739
+ * simplify-rtx.c (simplify_binary_operation_1): Optimize even
+ vector mode | CONST0_RTX (mode) and ^ CONST0_RTX (mode).
+
+2010-09-21 Anatoly Sokolov <aesok@post.ru>
+
+ * config/rs6000/rs6000.h (OUTPUT_ADDR_CONST_EXTRA): Remove macros.
+ * config/rs6000/rs6000-protos.h (rs6000_output_addr_const_extra):
+ Remove.
+ * config/rs6000/rs6000.c (rs6000_output_addr_const_extra): Make static.
+ (TTARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
+
+2010-09-21 Nicola Pero <nicola.pero@meta-innovation.com>
+
+ PR objc/23710
+ * c-parser.c (c_parser_objc_method_definition): Check the return
+ value of objc_start_method_definition and if false is returned,
+ parse the method definition but emit no code.
+
+2010-09-21 Nicola Pero <nicola.pero@meta-innovation.com>
+
+ PR objc/25965
+ * c-decl.c (detect_field_duplicates): If compiling Objective-C,
+ call objc_get_interface_ivars ().
+
+2010-09-21 Kai Tietz <kai.tietz@onevision.com>
+
+ PR target/45694
+ * config/i386/i386.c (ix86_expand_prologue): Save r10 in case that
+ static chain-register is used for 64-bit.
+
+2010-09-21 Richard Guenther <rguenther@suse.de>
+
+ * dwarf2out.c (is_cu_die): New function.
+ (add_pubtype): Use it.
+ (gen_subprogram_die): Likewise.
+ (gen_struct_or_union_type_die): Likewise.
+ (dwarf2out_finish): Likewise.
+ (comp_unit_die): Rename to ...
+ (single_comp_unit_die): ... this.
+ (comp_unit_die): New function lazily constructing and
+ returning single_comp_unit_die.
+ (is_cxx, is_fortran, is_ada, debug_dwarf, break_out_comdat_types,
+ base_type_die, subrange_type_die, modified_type_die,
+ lower_bound_default, add_bound_info, add_prototyped_attribute,
+ dwarf2out_vms_debug_main_pointer, scope_die_for, retry_incomplete_types,
+ dwarf2out_abstract_function, gen_type_die_with_usage, get_context_die,
+ force_decl_die, gen_namespace_die, dwarf2out_decl,
+ dwarf2out_start_source_file, dwarf2out_end_source_file,
+ prune_unused_types, dwarf2out_finish): Use it.
+ (gen_compile_unit_die): For GNU GIMPLE derive DW_AT_language from
+ the global list of translation-unit decls.
+ (dwarf2out_init): Do not create single_comp_unit_die here.
+ (force_decl_die): Handle TRANSLATION_UNIT_DECL.
+
+2010-09-21 Richard Guenther <rguenther@suse.de>
+
+ * dwarf2out.c (dwarf2out_decl): Do not always generate a DIE
+ for bool for C++.
+
+2010-09-21 Bernd Schmidt <bernds@codesourcery.com>
+
+ * config/arm/iterators.md (qhs_extenddi_op): New mode_attr.
+ (qhs_extenddi_cstr): Likewise.
+ * config/arm/arm.md (zero_extend<mode>di2, extend<mode>di2): Use
+ them for the source operand.
+
+2010-09-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (ix86_split_ashl): Rename single_width variable
+ to half_width. Use GET_MODE_BITSIZE to calculate mode size.
+ (ix86_split_ashr): Ditto.
+ (ix86_split_lshr): Ditto.
+
+2010-09-21 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/45580
+ * tree-ssa-propagate.c (substitute_and_fold): Always replace
+ regular uses.
+ * gimple-fold.c (gimple_fold_obj_type_ref): For a BINFO without
+ virtuals fold the call into a regular indirect one.
+
+2010-09-20 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/42775
+ * cfgrtl.c (rest_of_pass_free_cfg): Recompute notes if delay slot
+ scheduling is enabled.
+
+2010-09-20 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/45728
+ * expr.c (expand_expr_real_1): If op0 isn't REG or MEM, try
+ gen_lowpart_common first and if that fails, force_reg first
+ before calling gen_lowpart.
+
+ PR middle-end/45678
+ * cfgexpand.c (expand_one_stack_var_at): Use
+ crtl->max_used_stack_slot_alignment as max_align, instead
+ of maximum of that and PREFERRED_STACK_BOUNDARY.
+ Don't call update_stack_alignment.
+
2010-09-20 Eric Botcazou <ebotcazou@adacore.com>
* langhooks.h (struct lang_hooks_for_types): Remove hash_types field.
* tree-inline.c (copy_phis_for_bb): Delay commit of edge
insertions until after all PHI nodes of the block are processed.
-2010-09-18 Tijl Coosemans <tijl@coosemans.org>
+2010-09-18 Tijl Coosemans <tijl@coosemans.org>
* config/i386/freebsd.h (SUBTARGET32_DEFAULT_CPU): Add.
2010-09-15 Tejas Belagod <tejas.belagod@arm.com>
* config/arm/neon.md (vec_pack_trunc_<mode>): Instruction
- pattern for vmovn. Expansion in case of non
+ pattern for vmovn. Expansion in case of non
-mvectorize-with-neon-quad.
(neon_vec_pack_trunc_<mode>): Instruction pattern for vmovn for
non- -mvectorize-with-neon-quad case.
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