+2011-03-31 Mark Wielaard <mjw@redhat.com>
+
+ * dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
+ high_pc attribute if the CU has no associated code. Only output
+ DW_AT_entry_pc for CU if not generating strict dwarf and
+ dwarf_version < 4.
+
+2011-04-01 Bernd Schmidt <bernds@codesourcery.com>
+
+ * dwarf2out.h (dwarf2out_frame_debug_init): Declare.
+ * dwarf2out.c (dwarf2out_frame_debug_init): New function, broken
+ out of ...
+ (dwarf2out_frame_debug): ... here. Don't handle a NULL argument.
+ * final.c (final_start_function): Call the new function rather
+ than using a NULL argument for dwarf2out_frame_debug.
+
+ * ifcvt.c (cond_exec_process_insns): Disallow converting a block
+ that contains the prologue.
+
+ * haifa-sched.c (queue_insn): New arg REASON. All callers
+ changed. Print it in debugging output.
+
+ * sched-ebb.c (schedule_ebbs): Honor the BB_DISABLE_SCHEDULE flag.
+
+ * sched-ebb.c (begin_schedule_ready): Remove second argument.
+ Split most of the code into...
+ (begin_move_insn): ... here. New function.
+ (ebb_sched_info): Add a pointer to it.
+ * haifa-sched.c (scheduled_insns): New static variable.
+ (sched_extend_ready_list): Allocate it.
+ (schedule_block): Use it to record the order of scheduled insns.
+ Perform RTL changes to move insns only after all scheduling
+ decisions have been made.
+ * modulo-sched.c (sms_sched_haifa_sched_info): Add NULL entry for the
+ begin_move_insn field.
+ * sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
+ * sched-int.h (struct haifa_sched_info): Remove second argument
+ from begin_schedule_ready hook. Add new member begin_move_insn.
+ * sched-rgn.c (begin_schedule_ready): Remove second argument.
+ (rgn_const_sched_info): Add NULL entry for the begin_move_insn field.
+
+ * haifa-sched.c (prune_ready_list): New function, broken out of
+ schedule_block.
+ (schedule_block): Use it.
+
+2011-04-01 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/t-spu-elf (dp-bit.c): Use > instead of >>.
+
+2011-04-01 Kai Tietz <ktietz@redhat.com>
+
+ * config.gcc (*-*-mingw*): Allow as option the
+ posix threading model.
+ * config/i386/mingw32.h ( SPEC_PTHREAD1, SPEC_PTHREAD2):
+ New macros defined dependent to TARGET_USE_PTHREAD_BY_DEFAULT
+ definition.
+ (CPP_SPEC): Add pthread/no-pthread handling.
+ (LIB_SPEC): Likewise.
+ * config/i386/mingw-w64.h (CPP_SPEC):Likewise.
+ (LIB_SPEC): Likewise.
+ * config/i386/t-cygming (SHLIB_PTHREAD_CFLAG): New
+ flag to pass -pthread option for shared libgcc build.
+ (SHLIB_PTHREAD_LDFLAG): New option to pass -lpthread
+ for shared libgcc build.
+ * config/i386/t-mingw-pthread: New file.
+ * config/i386/mingw-pthread.h (TARGET_USE_PTHREAD_BY_DEFAULT):
+ New define to enable use of library pthread by default.
+ * config/i386/mingw.opt (pthread): New driver option.
+ (no-pthread): New driver option.
+ * config/i386/cygming.opt: Make sure trailing empty line
+ is retained.
+ * config/i386/mingw-w64.opt: Likewise.
+
+2011-04-01 Gary Funck <gary@intrepid.com>
+
+ * c-decl.c (grokdeclarator): Fix formatting.
+
+2011-04-01 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * expr.c (emit_block_move_via_movmem): Use n_generator_args
+ instead of n_operands.
+ (set_storage_via_setmem): Likewise.
+ * optabs.c (maybe_gen_insn): Likewise.
+ * config/arm/arm.c (arm_init_neon_builtins): Likewise.
+ * config/mips/mips.c (mips_expand_builtin_compare_1): Likewise.
+ (mips_expand_builtin_direct): Likewise.
+ * config/spu/spu.c (expand_builtin_args): Likewise.
+
+2011-04-01 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * recog.h (insn_data_d): Add n_generator_args.
+ * genoutput.c (data): Likewise.
+ (output_insn_data): Print it.
+ (max_opno, num_dups): Delete.
+ (scan_operands): Just fill in "d->operand[...]".
+ (gen_insn, gen_peephole, gen_expand, gen_split): Use get_pattern_stats.
+
+2011-04-01 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * gensupport.h (pattern_stats): New structure.
+ * gensupport.c (get_pattern_stats_1, get_pattern_stats): New functions.
+ * genemit.c (max_opno, max_dupno, max_scratch_opno): Delete.
+ (max_operand_1, max_operand_vec): Delete.
+ (gen_insn, gen_expand, gen_split): Use get_pattern_stats.
+
+2011-03-31 Nathan Froyd <froydnj@codesourcery.com>
+
+ * emit-rtl.c (emit_pattern_after_setloc): New function.
+ (emit_insn_after_setloc, emit_jump_insn_after_setloc): Call it.
+ (emit_call_insn_after_setloc, emit_debug_insn_after_setloc): Likewise.
+ (emit_pattern_after): New function.
+ (emit_insn_after, emit_jump_insn_after): Call it.
+ (emit_call_insn_after, emit_debug_insn_after): Likewise.
+ (emit_pattern_before_setloc): New function.
+ (emit_insn_before_setloc, emit_jump_insn_before_setloc): Call it.
+ (emit_call_insn_before_setloc, emit_debug_insn_before_setloc):
+ Likewise.
+ (emit_pattern_before): New function.
+ (emit_insn_before, emit_jump_insn_before): Call it.
+ (emit_call_insn_before, emit_debug_insn_before): Likewise.
+
+2011-03-31 Richard Henderson <rth@redhat.com>
+
+ * dwarf2out.c (dw_separate_line_info_ref): Remove.
+ (dw_separate_line_info_entry): Remove.
+ (enum dw_line_info_opcode): New.
+ (dw_line_info_entry): Use it.
+ (dw_line_info_table, dw_line_info_table_p): New.
+ (DWARF_LINE_OPCODE_BASE): Include dwarf3 opcodes.
+ (line_info_table, line_info_label_num): Remove.
+ (line_info_table_in_use): Remove.
+ (separate_line_info_table): Remove.
+ (separate_line_info_table_allocated): Remove.
+ (separate_line_info_table_in_use): Remove.
+ (LINE_INFO_TABLE_INCREMENT): Remove.
+ (line_info_label_num): New.
+ (cur_line_info_table): New.
+ (text_section_line_info, cold_text_section_line_info): New.
+ (separate_line_info): New.
+ (SEPARATE_LINE_CODE_LABEL): Remove.
+ (print_dwarf_line_table): Remove.
+ (debug_dwarf): Don't dump it.
+ (output_one_line_info_table): New.
+ (output_line_info): Use it.
+ (new_line_info_table): New.
+ (set_cur_line_info_table): New.
+ (dwarf2out_switch_text_section): Use it.
+ (dwarf2out_begin_function): Likewise.
+ (push_dw_line_info_entry): New.
+ (dwarf2out_source_line): Rewrite for new line info tables.
+ (dwarf2out_init): Remove dead initailizations.
+
+2011-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ * opts.h (cl_option): Add comments to fields. Add bit-fields for
+ various flags.
+ (CL_SEPARATE_NARGS_SHIFT, CL_SEPARATE_NARGS_MASK,
+ CL_SEPARATE_ALIAS, CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE,
+ CL_DISABLED, CL_REPOR, CL_REJECT_NEGATIVE, CL_MISSING_OK,
+ CL_UINTEGER, CL_NEGATIVE_ALIAS): Remove.
+ (CL_JOINED, CL_SEPARATE, CL_UNDOCUMENTED): Update bit positions.
+ * opt-functions.awk (flag_init, switch_bit_fields): New.
+ (switch_flags): Don't handle flags moved to bit-fields. Don't
+ generate CL_MISSING_OK or CL_SAVE.
+ * optc-gen.awk: Update to generate bit-field output as well as
+ flags field.
+ * gcc.c (driver_wrong_lang_callback): Use cl_reject_driver
+ bit-field instead of CL_REJECT_DRIVER flag.
+ * opts-common.c (generate_canonical_option,
+ decode_cmdline_option): Use bit-fields instead of CL_* flags.
+ * opts.c (maybe_default_option): Use cl_reject_negative bit-field
+ instead of CL_REJECT_NEGATIVE flag.
+ * toplev.c (print_switch_values): Use cl_report bit-field instead
+ of CL_REPORT flag.
+
+2011-03-31 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-pre.c (create_component_ref_by_pieces_1) <ARRAY_REF>: Drop
+ a zero minimum index only if it is redundant.
+
+2011-03-31 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/48381
+ * ira-color.c (assign_hard_reg): Use hard reg set intersection
+ instead of ira_class_hard_reg_index for calculating conflicting
+ hard registers.
+
+2011-03-31 Steven Bosscher <steven@gcc.gnu.org>
+
+ * cprop.c: Clean up hash table building.
+ (reg_avail_info): Remove.
+ (oprs_available_p): Remove.
+ (record_last_reg_set_info): Remove.
+ (record_last_set_info): Remove.
+ (reg_available_p): New function.
+ (gcse_constant_p): Do not treat unfolded conditions as constants.
+ (make_set_regs_unavailable): New function.
+ (hash_scan_set): Simplify with new reg_available_p.
+ (compute_hash_table_work): Traverse insns stream only once.
+ Do not compute reg_avail_info. Traverse insns in reverse order.
+ Record implicit sets after recording explicit sets from the block.
+
+2011-03-31 Michael Matz <matz@suse.de>
+
+ * builtins.c (build_va_arg_indirect_ref): Use
+ build_simple_mem_ref_loc.
+
+2011-03-31 Anatoly Sokolov <aesok@post.ru>
+
+ * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove macro.
+ * config/h8300/h8300-protos.h (h8300_get_index): Remove.
+ * config/h8300/h8300.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
+ (h8300_mode_dependent_address_p): New function.
+ (h8300_get_index): Make static.
+
+2011-03-31 Jeff Law <law@redhat.com>
+
+ * reload1.c (elimination_effects): Fix typo in recent change.
+
+ * tree-ssa-forwprop.c (forward_propagate_into_cond): Avoid
+ typo potentially leading to null pointer dereference.
+
+ * caller-save.c (new_saved_hard_reg): Eliminate return value.
+ (setup_save_areas): Corresponding changes to avoid useless
+ assignments.
+
+ * jump.c (reversed_comparison_code_parts): Avoid successive return
+ statements when REVERSE_CONDITION is defined.
+
+ * expr.c (expand_assignment): Avoid useless assignments.
+ (expand_expr_real_1): Likewise.
+ (expand_expr_real_2): Avoid useless statements.
+
+ * tree-ssa-phiopt.c (minmax_replacement): Avoid useless statement.
+
+ * cfgexpand.c (expand_gimple_basic_block): Avoid useless assignment.
+
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Avoid useless
+ statements.
+
+ * stmt.c (expand_expr_stmt): Avoid useless assignment.
+
+2011-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ PR target/47109
+ * doc/tm.texi.in (TARGET_VERSION): Remove.
+ * doc/tm.texi: Regenerate.
+ * system.h (TARGET_VERSION, MACHINE_TYPE): Poison.
+ * collect2.c (main): Don't use TARGET_VERSION.
+ * mips-tdump.c (main): Don't use TARGET_VERSION.
+ * mips-tfile.c (main): Don't use TARGET_VERSION.
+ * config.gcc (powerpc-wrs-vxworksae): Don't use
+ rs6000/vxworksae.h.
+ * config/rs6000/vxworksae.h: Remove.
+ * config/alpha/alpha.h (TARGET_VERSION): Remove.
+ * config/alpha/freebsd.h (TARGET_VERSION): Remove.
+ * config/alpha/linux-elf.h (TARGET_VERSION): Remove.
+ * config/alpha/netbsd.h (TARGET_VERSION): Remove.
+ * config/alpha/vms.h (TARGET_NAME, TARGET_VERSION): Remove.
+ * config/arm/arm.h (TARGET_VERSION): Remove.
+ * config/arm/coff.h (TARGET_VERSION): Remove.
+ * config/arm/ecos-elf.h (TARGET_VERSION): Remove.
+ * config/arm/elf.h (TARGET_VERSION): Remove.
+ * config/arm/freebsd.h (TARGET_VERSION): Remove.
+ * config/arm/linux-elf.h (TARGET_VERSION): Remove.
+ * config/arm/netbsd-elf.h (TARGET_VERSION): Remove.
+ * config/arm/pe.h (TARGET_VERSION): Remove.
+ * config/arm/rtems-elf.h (TARGET_VERSION): Remove.
+ * config/arm/semi.h (TARGET_VERSION): Remove.
+ * config/arm/uclinux-elf.h (TARGET_VERSION): Remove.
+ * config/arm/unknown-elf.h (TARGET_VERSION): Remove.
+ * config/arm/vxworks.h (TARGET_VERSION): Remove.
+ * config/avr/avr.h (TARGET_VERSION): Remove.
+ * config/bfin/bfin.h (TARGET_VERSION): Remove.
+ * config/fr30/fr30.h (TARGET_VERSION): Remove.
+ * config/frv/frv.h (TARGET_VERSION): Remove.
+ * config/h8300/h8300.h (TARGET_VERSION): Remove.
+ * config/i386/cygwin.h (TARGET_VERSION): Remove.
+ * config/i386/darwin.h (TARGET_VERSION): Remove.
+ * config/i386/darwin64.h (TARGET_VERSION): Remove.
+ * config/i386/djgpp.h (TARGET_VERSION): Remove.
+ * config/i386/freebsd.h (TARGET_VERSION): Remove.
+ * config/i386/freebsd64.h (TARGET_VERSION): Remove.
+ * config/i386/gnu.h (TARGET_VERSION): Remove.
+ * config/i386/i386-interix.h (TARGET_VERSION): Remove.
+ * config/i386/i386elf.h (TARGET_VERSION): Remove.
+ * config/i386/linux.h (TARGET_VERSION): Remove.
+ * config/i386/linux64.h (TARGET_VERSION): Remove.
+ * config/i386/lynx.h (TARGET_VERSION): Remove.
+ * config/i386/mingw32.h (TARGET_VERSION): Remove.
+ * config/i386/netbsd-elf.h (TARGET_VERSION): Remove.
+ * config/i386/netbsd64.h (TARGET_VERSION): Remove.
+ * config/i386/netware.h (TARGET_VERSION): Remove.
+ * config/i386/nto.h (TARGET_VERSION): Remove.
+ * config/i386/openbsd.h (TARGET_VERSION): Remove.
+ * config/i386/vxworks.h (TARGET_VERSION): Remove.
+ * config/ia64/elf.h (TARGET_VERSION): Remove.
+ * config/ia64/freebsd.h (TARGET_VERSION): Remove.
+ * config/ia64/hpux.h (TARGET_VERSION): Remove.
+ * config/ia64/linux.h (TARGET_VERSION): Remove.
+ * config/ia64/vms.h (TARGET_NAME, TARGET_VERSION): Remove.
+ * config/iq2000/iq2000.h (IQ2000_VERSION, MACHINE_TYPE,
+ TARGET_VERSION_INTERNAL, TARGET_VERSION): Remove.
+ * config/lm32/lm32.h (TARGET_VERSION): Remove.
+ * config/lm32/uclinux-elf.h (TARGET_VERSION): Remove.
+ * config/m32c/m32c.h (TARGET_VERSION): Remove.
+ * config/m32r/linux.h (LINUX_DEFAULT_ELF, TARGET_VERSION): Remove.
+ * config/m32r/m32r.h (TARGET_VERSION): Remove.
+ * config/m68k/linux.h (TARGET_VERSION): Remove.
+ * config/m68k/m68k.h (TARGET_VERSION): Remove.
+ * config/m68k/netbsd-elf.h (TARGET_VERSION): Remove.
+ * config/m68k/uclinux.h (TARGET_VERSION): Remove.
+ * config/mcore/mcore-elf.h (TARGET_VERSION): Remove.
+ * config/mep/mep.h (TARGET_VERSION): Remove.
+ * config/microblaze/microblaze.h (MICROBLAZE_VERSION,
+ MACHINE_TYPE, TARGET_VERSION_INTERNAL, TARGET_VERSION): Remove.
+ * config/mips/iris6.h (MACHINE_TYPE): Remove.
+ * config/mips/linux.h (TARGET_VERSION): Remove.
+ * config/mips/netbsd.h (MACHINE_TYPE): Remove.
+ * config/mips/vxworks.h (TARGET_VERSION): Remove.
+ * config/mmix/mmix.h (TARGET_VERSION): Remove.
+ * config/mn10300/linux.h (TARGET_VERSION): Remove.
+ * config/mn10300/mn10300.h (TARGET_VERSION): Remove.
+ * config/pa/pa.h (TARGET_VERSION): Remove.
+ * config/pdp11/pdp11.h (TARGET_VERSION): Remove.
+ * config/picochip/picochip.h (TARGET_VERSION): Remove.
+ * config/rs6000/aix.h (TARGET_VERSION): Remove.
+ * config/rs6000/darwin.h (TARGET_VERSION): Remove.
+ * config/rs6000/darwin64.h (TARGET_VERSION): Remove.
+ * config/rs6000/eabi.h (TARGET_VERSION): Remove.
+ * config/rs6000/eabialtivec.h (TARGET_VERSION): Remove.
+ * config/rs6000/eabisim.h (TARGET_VERSION): Remove.
+ * config/rs6000/eabispe.h (TARGET_VERSION): Remove.
+ * config/rs6000/freebsd.h (TARGET_VERSION): Remove.
+ * config/rs6000/linux.h (TARGET_VERSION): Remove.
+ * config/rs6000/linux64.h (TARGET_VERSION): Remove.
+ * config/rs6000/linuxaltivec.h (TARGET_VERSION): Remove.
+ * config/rs6000/linuxspe.h (TARGET_VERSION): Remove.
+ * config/rs6000/lynx.h (TARGET_VERSION): Remove.
+ * config/rs6000/netbsd.h (TARGET_VERSION): Remove.
+ * config/rs6000/sysv4.h (TARGET_VERSION): Remove.
+ * config/rs6000/vxworks.h (TARGET_VERSION): Remove.
+ * config/s390/linux.h (TARGET_VERSION): Remove.
+ * config/s390/s390.h (TARGET_VERSION): Remove.
+ * config/s390/tpf.h (TARGET_VERSION): Remove.
+ * config/score/score.h (TARGET_VERSION): Remove.
+ * config/sh/linux.h (TARGET_VERSION): Remove.
+ * config/sh/netbsd-elf.h (TARGET_VERSION_ENDIAN,
+ TARGET_VERSION_CPU, TARGET_VERSION): Remove.
+ * config/sh/sh.h (TARGET_VERSION): Remove.
+ * config/sh/sh64.h (TARGET_VERSION): Remove.
+ * config/sh/superh.h (TARGET_VERSION): Remove.
+ * config/sh/vxworks.h (TARGET_VERSION): Remove.
+ * config/sparc/freebsd.h (TARGET_VERSION): Remove.
+ * config/sparc/linux.h (TARGET_VERSION): Remove.
+ * config/sparc/linux64.h (TARGET_VERSION): Remove.
+ * config/sparc/netbsd-elf.h (TARGET_VERSION, TARGET_NAME64,
+ TARGET_NAME32, TARGET_NAME): Remove.
+ * config/sparc/openbsd64.h (TARGET_VERSION): Remove.
+ * config/sparc/sp-elf.h (TARGET_VERSION): Remove.
+ * config/sparc/sp64-elf.h (TARGET_VERSION): Remove.
+ * config/sparc/sysv4.h (TARGET_VERSION): Remove.
+ * config/sparc/vxworks.h (TARGET_VERSION): Remove.
+ * config/spu/spu.h (TARGET_VERSION): Remove.
+ * config/stormy16/stormy16.h (TARGET_VERSION): Remove.
+ * config/v850/v850.h (TARGET_VERSION): Remove.
+ * config/vax/linux.h (TARGET_VERSION): Remove.
+ * config/vax/vax.h (TARGET_NAME, TARGET_VERSION): Remove.
+ * config/xtensa/elf.h (TARGET_VERSION): Remove.
+ * config/xtensa/linux.h (TARGET_VERSION): Remove.
+
+2011-03-31 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/48142
+ * config/i386/i386.c (ix86_adjust_stack_and_probe): Differentiate
+ frame-related from frame-unrelated adjustments to the stack pointer.
+
+2011-03-31 Jakub Jelinek <jakub@redhat.com>
+
+ * common.opt (fdebug-types-section): Move earlier.
+ * doc/invoke.texi: Fix up -fno-debug-types-section documentation.
+
+2011-03-31 Andreas Tobler <andreast@fgznet.ch>
+
+ * config/rs6000/rs6000.c (rs6000_handle_option): Remove unused isel
+ var.
+
+2011-03-30 Nathan Froyd <froydnj@codesourcery.com>
+
+ * tree.h (CASE_CHAIN): Define.
+ * tree-cfg.c (edge_to_cases_cleanup, get_cases_for_edge): Use it.
+ (gimple_redirect_edge_and_branch): Likewise.
+
+2011-03-30 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR middle-end/48367
+ * ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
+ calculation.
+
+2011-03-30 Jeff Law <law@redhat.com>
+
+ * PR bootstrap/48371
+ * reload1.c (reload): Fix botch in last change.
+
+ * reload.h (struct reload): Fix typo introduced in last change.
+
+2011-03-30 Joseph Myers <joseph@codesourcery.com>
+
+ * config/arm/arm.opt (mhard-float, msoft-float): Mark
+ Undocumented. Remove help text.
+ * doc/invoke.texi (ARM Options): Don't document -msoft-float and
+ -mhard-float.
+
+2011-03-30 Joseph Myers <joseph@codesourcery.com>
+
+ * doc/options.texi (NegativeAlias): Document.
+ (Alias): Mention NegativeAlias.
+ * opt-functions.awk: Handle NegativeAlias.
+ * optc-gen.awk: Disallow NegativeAlias with multiple Alias
+ arguments.
+ * opts-common.c (decode_cmdline_option): Handle CL_NEGATIVE_ALIAS.
+ * opts.h (CL_NEGATIVE_ALIAS): Define.
+ * config/rs6000/rs6000.c (rs6000_parse_yes_no_option): Remove.
+ (rs6000_handle_option): Don't handle OPT_mvrsave_, OPT_misel_ and
+ OPT_mspe_.
+ * config/rs6000/rs6000.opt (mvrsave=, misel=, mspe=): Replace with
+ Alias entries.
+ * config/rs6000/t-spe (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
+ mno-spe and mno-isel instead of mspe=no and -misel=no.
+
+2011-03-29 Mark Wielaard <mjw@redhat.com>
+
+ * common.opt (fdebug-types-section): New flag.
+ * doc/invoke.texi: Document new -fno-debug-types-section flag.
+ * dwarf2out.c (use_debug_types): New define.
+ (struct die_struct): Mark die_id with GTY desc use_debug_types.
+ (print_die): Guard output of type unit signatures using
+ use_debug_types.
+ (build_abbrev_table): Replace assert of dwarf_version >= 4
+ with assert on use_debug_types.
+ (size_of_die): Likewise.
+ (unmark_dies): Likewise.
+ (value_format): Decide AT_ref_external form on use_debug_types.
+ (output_die): Replace dwarf_version version check guard with
+ use_debug_types where appropriate.
+ (modified_type_die): Likewise.
+ (gen_reference_type_die): Likewise.
+ (dwarf2out_start_source_file): Likewise.
+ (dwarf2out_end_source_file): Likewise.
+ (prune_unused_types_walk_attribs): Likewise.
+ (dwarf2out_finish): Likewise.
+
+2011-03-30 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-color.c (ira_assign_hard_reg): Use only one variable 'mode'.
+
+2011-03-30 Richard Sandiford <richard.sandiford@linaro.org>
+
+ PR rtl-optimization/48332
+ * optabs.c (expand_binop_directly): Set xmodeN to the target-mandated
+ mode of input operand N and modeN to its actual mode.
+
+2011-03-30 Jeff Law <law@redhat.com>
+
+ * reload.h (reg_equiv_constant): Move into new structure reg_equivs,
+ define accessor macro.
+ (reg_equiv_invariant, reg_equiv_memory_loc): Likewise.
+ (reg_equiv_address, reg_equiv_mem, reg_equiv_alt_mem_list): Likewise.
+ (reg_equiv_init): Likewise.
+ (reg_equivs_size): New variable.
+ (reg_equiv_init_size): Remove.
+ (allocate_initial_values): Move prototype to here from....
+ * integrate.h (allocate_initial_values): Remove prototype.
+ * integrate.c: Include reload.h.
+ (allocate_initial_values): Corresponding changes.
+ * ira.c (find_reg_equiv_invariant_cost): Corresponding changes.
+ (fix_reg_equiv_init, no_equiv): Corresponding changes.
+ (update_equiv_regs): Corresponding changes.
+ (ira): Corresponding changes.
+ * reload.c (push_reg_equiv_alt_mem): Corresponding changes.
+ (push_secondary_reload): Corresponding changes.
+ (push_reload, find_reloads, find_reloads_toplev): Corresponding changes.
+ (make_memloc, find_reloads_address): Corresponding changes.
+ (subst_reg_equivs, subst_indexed_address): Corresponding changes.
+ (find_reloads_address_1): Corresponding changes.
+ (find_reloads_subreg_address, subst_reloads): Corresponding changes.
+ (refers_to_regno_for_reload_p): Corresponding changes.
+ (reg_overlap_mentioned_for_reload_p): Corresponding changes.
+ (refers_to_mem_for_reload_p, find_equiv_reg): Corresponding changes.
+ * reload1.c: Include ggc.h.
+ (grow_reg_equivs): New function.
+ (replace_pseudos_in, reload): Corresponding changes.
+ (calculate_needs_all_insns, alter_regs): Corresponding changes.
+ (eliminate_regs_1, elimination_effects): Corresponding changes.
+ (emit_input_reload_insns, emit_output_reload_insns): Likewise.
+ (delete_output_reload): Likewise.
+ * caller-save.c (mark_referenced_regs): Corresponding changes.
+ * alpha/alpha.c (resolve_reload_operand): Corresponding changes.
+ * frv/predicates.md (frv_load_operand): Corresponding changes.
+ * microblaze/microblaze.c (double_memory_operand): Corresponding
+ changes.
+ * avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Corresponding changes.
+ * xtensa/xtensa.c (fixup_subreg_mem): Corresponding changes.
+ * mn10300/mn10300.c (mn10300_secondary_reload): Corresponding
+ changes.
+ * m68k/m68k.c (emit_move_sequence): Corresponding changes.
+ * arm/arm.c (arm_reload_in_hi, arm_reload_out_hi): Corresponding
+ changes.
+ * pa/pa.c (emit_move_sequence): Corresponding changes.
+ * vax/vax.c (nonindexed_address_p): Corresponding changes.
+
+2011-03-30 Richard Sandiford <richard.sandiford@linaro.org>
+
+ PR target/47551
+ * config/arm/arm.c (coproc_secondary_reload_class): Handle
+ structure modes. Don't check neon_vector_mem_operand for
+ vector or structure modes.
+
+2011-03-30 Richard Sandiford <richard.sandiford@linaro.org>
+ Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR target/43590
+ * config/arm/neon.md (neon_vld3qa<mode>, neon_vld4qa<mode>): Remove
+ operand 1 and reshuffle the operands to match.
+ (neon_vld3<mode>, neon_vld4<mode>): Update accordingly.
+
+2011-03-30 Christian Schüler <cschueler@gmx.de>
+
+ PR driver/48208
+ * config/c.opt (F): Added 'Driver' to -F option.
+ PR driver/48260
+ * config/darwin-driver.c (darwin_driver_init): Add '-arch' to
+ handler function.
+ * config/darwin.opt: Added '-arch' option.
+
+2011-03-30 Nick Clifton <nickc@redhat.com>
+
+ * config/rx/rx.md: Add peepholes and patterns to combine
+ extending loads and simple arithmetic instructions.
+ * config/rx/rx.h (ADJUST_INSN_LENGTH): Define.
+ * config/rx/rx-protos.h (rx_adjust_insn_length): Prototype.
+ * config/rx/rx.c (rx_is_legitimate_address): Allow QI and HI
+ modes to use pre-decrement and post-increment addressing.
+ (rx_is_restricted_memory_address): Add range checking of REG+INT
+ addresses.
+ (rx_print_operand): Add support for %Q.
+ Fix handling of %Q.
+ (rx_memory_move_cost): Adjust cost of stores.
+ (rx_adjust_insn_length): New function.
+
+2011-03-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/48305
+ * fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
+ arg10/arg11 in (X ^ Y) == (Z ^ W) are always fold converted to
+ matching arg00/arg01 types.
+
+2011-03-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cfglayout.c (insn_locators_alloc): Initialize curr_location and
+ last_location to UNKNOWN_LOCATION.
+
+2011-03-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/48349
+ * config/i386/i386.h (REG_CLASS_CONTENTS): Fix a typo in
+ FLOAT_SSE_REGS.
+
+2011-03-30 Joseph Myers <joseph@codesourcery.com>
+ Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR bootstrap/48337
+ * config/sparc/sparc.opt (sparc_cpu_and_features): Add
+ Init(PROCESSOR_V7).
+ (sparc_cpu): Likewise.
+ * config/sparc/sparc.c (sparc_option_override): Replace 0 by
+ PROCESSOR_V7.
+
+2011-03-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR target/48336
+ PR middle-end/48342
+ PR rtl-optimization/48345
+ * ira-color.c (setup_conflict_profitable_regs): Exclude prohibited
+ hard regs for given mode from profitable regs when doing secondary
+ allocation.
+
+2011-03-29 Jeff Law <law@redhat.com>
+
+ PR bootstrap/48327
+ * tree-ssa-threadupdate.c (struct redirection_data): Remove
+ do_not_duplicate field.
+ (lookup_redirection_data): Corresponding changes.
+ (create_duplicates): Always create a template block.
+ (redirect_edges): Remove code which reused the original block
+ when it was going to become unreachable code.
+ (thread_block): Don't set do_not_duplicate field.
+
+2011-03-29 Joseph Myers <joseph@codesourcery.com>
+
+ * lto-opts.c (register_user_option_p, lto_register_user_option):
+ Make type argument unsigned.
+ * lto-streamer.h (lto_register_user_option): Make type argument
+ unsigned.
+ * opth-gen.awk: Make CL_* macros unsigned.
+ * opts-common.c (find_opt): Make lang_mask argument unsigned.
+ * opts.h (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER,
+ CL_TARGET, CL_COMMON, CL_SEPARATE_NARGS_MASK, CL_SEPARATE_ALIAS,
+ CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE, CL_DISABLED,
+ CL_REPORT, CL_JOINED, CL_SEPARATE, CL_REJECT_NEGATIVE,
+ CL_MISSING_OK, CL_UINTEGER, CL_UNDOCUMENTED): Make unsigned.
+ (find_opt): Make lang_mask argument unsigned.
+
+2011-03-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/48331
+ PR rtl-optimization/48334
+ * ira-color.c (color_allocnos): Call setup_profitable_hard_regs
+ for any used algorithm.
+
+2011-03-29 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-conflicts.c (build_object_conflicts): Add unused attribute
+ to parent_max.
+
+2011-03-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_sr_alias_set): Don't define.
+ (alpha_option_override): Don't set alpha_sr_alias_set.
+ (emit_frame_store_1): Use gen_frame_mem rather than calling
+ set_mem_alias_set.
+ (alpha_expand_epilogue): Ditto.
+
+2011-03-29 Ira Rosen <ira.rosen@linaro.org>
+
+ PR tree-optimization/48290
+ * tree-vect-loop.c (vect_analyze_loop_operations): In outer loop
+ vectorization, check that relevant phis in the basic block after
+ the inner loop are really inner loop's exit phis.
+
+2011-03-29 Richard Sandiford <richard.sandiford@linaro.org>
+
+ PR debug/48190
+ * dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
+ (cached_dw_loc_list_def): New structure.
+ (cached_dw_loc_list): New typedef.
+ (cached_dw_loc_list_table): New variable.
+ (cached_dw_loc_list_table_hash): New function.
+ (cached_dw_loc_list_table_eq): Likewise.
+ (add_location_or_const_value_attribute): Take a bool cache_p.
+ Cache the list when the parameter is true.
+ (gen_formal_parameter_die): Update caller.
+ (gen_variable_die): Likewise.
+ (dwarf2out_finish): Likewise.
+ (dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
+ while generating debug info for the decl.
+ (dwarf2out_function_decl): Clear cached_dw_loc_list_table.
+ (dwarf2out_init): Initialize cached_dw_loc_list_table.
+ (resolve_addr): Cache the result of resolving a chain of
+ location lists.
+
+2011-03-28 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-color.c (update_left_conflict_sizes_p): Don't assume that
+ conflict object hard regset nodes have intersecting hard reg sets.
+
+ * regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
+ after regstat_init_n_sets_and_refs.
+
+ * ira.c: Add more comments at the top.
+ (setup_stack_reg_pressure_class, setup_pressure_classes):
+ Add comments how we compute the register pressure classes.
+ (setup_allocno_and_important_classes): Add more comments.
+ (setup_class_translate_array, reorder_important_classes)
+ (setup_reg_class_relations): Add comments.
+
+ * ira-emit.c: Add 2011 to the Copyright line. Add comments at the
+ start of the file.
+
+ * ira-color.c: Add 2011 to the Copyright line.
+ (assign_hard_reg): Add more comments.
+ (improve_allocation): Ditto.
+
+ * ira-costs.c: Add 2011 to the Copyright line.
+ (setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
+ comments.
+ (setup_regno_cost_classes_by_mode): Ditto.
+
+ Initial patches from ira-improv branch:
+
+ 2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-build.c: (ira_create_object): Remove initialization of
+ OBJECT_PROFITABLE_HARD_REGS. Initialize OBJECT_ADD_DATA.
+ (ira_create_allocno): Remove initialization of
+ ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
+ ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
+ ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
+ ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
+ ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
+ Initialize ALLOCNO_ADD_DATA.
+ (copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
+ and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
+ ALLOCNO_REG.
+ (ira_flattening): Ditto. Use ALLOCNO_EMIT_DATA instead of
+ ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.
+
+ * ira.c (ira_reallocate): Remove.
+ (setup_pressure_classes): Call
+ ira_init_register_move_cost_if_necessary. Use
+ ira_register_move_cost instead of ira_get_register_move_cost.
+ (setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
+ (ira): Call ira_initiate_emit_data and ira_finish_emit_data.
+
+ * ira-color.c: Use ALLOCNO_COLOR_DATA instead of
+ ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
+ ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
+ ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
+ instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
+ OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
+ Fix formatting.
+ (object_hard_regs_t, object_hard_regs_node_t): Move from ira-int.h.
+ (struct object_hard_regs, struct object_hard_regs_node): Ditto.
+ (struct allocno_color_data): New.
+ (allocno_color_data_t): New typedef.
+ (allocno_color_data): New definition.
+ (ALLOCNO_COLOR_DATA): New macro.
+ (struct object_color_data): New.
+ (object_color_data_t): New typedef.
+ (object_color_data): New definition.
+ (OBJECT_COLOR_DATA): New macro.
+ (update_copy_costs, calculate_allocno_spill_cost): Call
+ ira_init_register_move_cost_if_necessary. Use
+ ira_register_move_cost instead of ira_get_register_move_cost.
+ (move_spill_restore, update_curr_costs): Ditto.
+ (allocno_spill_priority): Make it inline.
+ (color_pass): Allocate and free allocno_color_dat and object_color_data.
+ (struct coalesce_data, coalesce_data_t): New.
+ (allocno_coalesce_data): New definition.
+ (ALLOCNO_COALESCE_DATA): New macro.
+ (merge_allocnos, coalesced_allocno_conflict_p): Use
+ ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
+ ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
+ (coalesce_allocnos): Ditto.
+ (setup_coalesced_allocno_costs_and_nums): Ditto.
+ (collect_spilled_coalesced_allocnos): Ditto.
+ (slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
+ (setup_slot_coalesced_allocno_live_ranges): Ditto.
+ (coalesce_spill_slots): Ditto.
+ (ira_sort_regnos_for_alter_reg): Ditto. Allocate, initialize and
+ free allocno_coalesce_data.
+
+ * ira-conflicts.c: Fix formatting.
+ (process_regs_for_copy): Call
+ ira_init_register_move_cost_if_necessary. Use
+ ira_register_move_cost instead of ira_get_register_move_cost.
+ (build_object_conflicts): Optimize.
+
+ * ira-costs.c (record_reg_classes): Optimize. Call
+ ira_init_register_move_cost_if_necessary. Use
+ ira_register_move_cost, ira_may_move_in_cost, and
+ ira_may_move_out_cost instead of ira_get_register_move_cost and
+ ira_get_may_move_cost.
+ (record_address_regs): Ditto.
+ (scan_one_insn): Optimize.
+ (find_costs_and_classes): Optimize.
+ (process_bb_node_for_hard_reg_moves): Call
+ ira_init_register_move_cost_if_necessary. Use
+ ira_register_move_cost instead of ira_get_register_move_cost.
+
+ * ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
+ ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
+ ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
+ (ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
+ definitions.
+ (ira_initiate_emit_data, ira_finish_emit_data)
+ (create_new_allocno): New functions.
+ (modify_move_list): Call create_new_alloc instead of ira_create_allocno.
+ (emit_move_list): Call ira_init_register_move_cost_if_necessary.
+ Use ira_register_move_cost instead of ira_get_register_move_cost.
+
+ * ira-int.h: Fix some comments.
+ (object_hard_regs_t, object_hard_regs_node_t): Move to ira-color.c.
+ (struct object_hard_regs, struct object_hard_regs_node): Ditto.
+ (struct ira_object): Remove profitable_hard_regs, hard_regs_node,
+ hard_regs_subnodes_start, hard_regs_subnodes_num. Add new member
+ add_data.
+ (struct ira_allocno): Make mode and aclass a bitfield. Move other
+ bitfield after mode. Make hard_regno a short int. Make
+ hard_regno short. Remove first_coalesced_allocno and
+ next_coalesced_allocno. Move mem_optimized_dest_p,
+ somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
+ into struct ira_emit_data. Remove in_graph_p, may_be_spilled_p,
+ available_regs_num, next_bucket_allocno, prev_bucket_allocno,
+ temp, colorable_p. Add new member add_data.
+ (ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
+ (ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
+ (ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
+ (ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
+ (ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
+ (ALLOCNO_ADD_DATA): New macro.
+ (ira_emit_data_t): New typedef.
+ (struct ira_emit_data): New. Move mem_optimized_dest_p,
+ somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
+ from struct ira_allocno.
+ (ALLOCNO_EMIT_DATA): New macro.
+ (ira_allocno_emit_data, allocno_emit_reg): New.
+ (ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
+ (OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM): Remove.
+ (OBJECT_ADD_DATA): New macro.
+ (ira_reallocate): Remove.
+ (ira_initiate_emit_data, ira_finish_emit_data): New.
+ (ira_get_register_move_cost, ira_get_may_move_cost): Remove.
+ (ira_init_register_move_cost_if_necessary): New.
+ (ira_object_conflict_iter_next): Merge into
+ ira_object_conflict_iter_cond.
+ (FOR_EACH_OBJECT_CONFLICT): Don't use ira_object_conflict_iter_next.
+
+ * ira-live.c: (process_single_reg_class_operands): Call
+ ira_init_register_move_cost_if_necessary. Use
+ ira_register_move_cost instead of ira_get_register_move_cost.
+
+ 2010-08-13 Vladimir Makarov <vmakarov@redhat.com>
+
+ * ira-int.h (struct target_ira_int): Remove x_cost_classes.
+
+ * ira-costs.c: Fix formatting.
+ (cost_classes, cost_classes_num): Remove.
+ (struct cost_classes, cost_classes_t, const_cost_classes_t): New.
+ (regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
+ (cost_classes_del, cost_classes_htab): New.
+ (cost_classes_aclass_cache, cost_classes_mode_cache): New.
+ (initiate_regno_cost_classes, setup_cost_classes): New.
+ (setup_regno_cost_classes_by_aclass): New.
+ (setup_regno_cost_classes_by_mode, finish_regno_cost_classes): New.
+ (record_reg_classes): Use regno_cost_classes instead of
+ cost_classes. Move checking opposite operand up.
+ (record_address_regs): Use regno_cost_classes
+ instead of cost_classes.
+ (scan_one_insn): Ditto. Use always general register.
+ (print_allocno_costs): Use regno_cost_classes instead of
+ cost_classes.
+ (print_pseudo_costs): Ditto. Use Reg_N_REFS.
+ (find_costs_and_classes): Set up cost classes for each registers.
+ Use also their mode for this. Use regno_cost_classes instead of
+ cost_classes.
+ (setup_allocno_class_and_costs): Use regno_cost_classes instead of
+ cost_classes.
+ (free_ira_costs, ira_init_costs): Don't use cost_classes.
+ (ira_costs, ira_set_pseudo_classes): Call
+ initiate_regno_cost_classes and finish_regno_cost_classes.
+
+ 2010-10-04 Vladimir Makarov <vmakarov@redhat.com>
+
+ * target-def.h (TARGET_IRA_COVER_CLASSES): Remove.
+
+ * target.def (ira_cover_classes): Remove.
+
+ * doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and IRA_COVER_CLASSES.
+
+ * doc/tm.texi.in: Ditto.
+
+ * ira-conflicts.c: Remove mentioning cover classes from the file.
+ Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Use
+ ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST. Fix formatting.
+
+ * targhooks.c (default_ira_cover_classes): Remove.
+
+ * targhooks.h (default_ira_cover_classes): Ditto.
+
+ * haifa-sched.c: Remove mentioning cover classes from the file.
+ Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
+ ira_pressure_classes and ira_pressure_classes_num instead of
+ ira_reg_class_cover_size and ira_reg_class_cover. Use
+ sched_regno_pressure_class instead of sched_regno_cover_class.
+ (mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
+ ira_reg_class_max_nregs instead of ira_reg_class_nregs.
+
+ * ira-int.h: Add 2010 to Copyright. Remove mentioning cover
+ classes from the file.
+ (object_hard_regs_t, object_hard_regs_node_t): New typedefs.
+ (struct object_hard_regs, struct object_hard_regs_node): New.
+ (struct ira_object): New members profitable_hard_regs,
+ hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
+ (struct ira_allocno): Rename cover_class to aclass. Rename
+ cover_class_cost and updated_cover_class_cost to class_cost and
+ updated_class_cost. Remove splay_removed_p and
+ left_conflict_size. Add new members colorable_p.
+ (ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
+ (ALLOCNO_COLORABLE_P): New macro.
+ (ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
+ (ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
+ Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
+ (OBJECT_...): Rename parameter C to O.
+ (OBJECT_PROFITABLE_HARD_REGS): New macro.
+ (OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
+ (OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
+ (struct target_ira_int): New members x_ira_max_memory_move_cost,
+ x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
+ x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
+ x_ira_reg_pressure_class_p, x_ira_important_class_nums,
+ x_ira_reg_class_superunion. Rename x_prohibited_class_mode_reg to
+ x_ira_prohibited_class_mode_reg. Rename x_ira_reg_class_union to
+ x_ira_reg_class_subunion.
+ (ira_max_memory_move_cost, ira_max_register_move_cost)
+ (ira_max_may_move_in_cost, ira_max_may_move_out_cost)
+ (ira_reg_allocno_class_p, ira_reg_pressure_class_p)
+ (ira_important_class_nums, ira_reg_class_superunion): New macros.
+ (prohibited_class_mode_regs): Rename to ira_prohibited_class_mode_regs.
+ (ira_reg_class_union): Rename to ira_reg_class_subunion.
+ (ira_debug_class_cover): Rename to ira_debug_allocno_classes.
+ (ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
+ (ira_tune_allocno_costs_and_cover_classes): Rename to
+ ira_tune_allocno_costs.
+ (ira_debug_hard_regs_forest): New.
+ (ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
+ (ira_object_conflict_iter_next): Fix comments.
+ (ira_hard_reg_set_intersection_p, hard_reg_set_size): New functions.
+ (ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
+ cover_class to aclass.
+ (ira_allocate_and_accumulate_costs): Ditto.
+ (ira_allocate_and_set_or_copy_costs): Ditto.
+
+ * opts.c (decode_options): Remove ira_cover_class check.
+
+ * ira-color.c: Remove mentioning cover classes from the file. Use
+ ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
+ instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
+ ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
+ (splay-tree.h): Remove include.
+ (allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
+ before copy_freq_compare_func.
+ (allocnos_for_spilling, removed_splay_allocno_vec): Remove.
+ (object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
+ New definitions.
+ (hard_regs_roots, hard_regs_node_vec): Ditto.
+ (object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
+ (insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
+ (finish_object_hard_regs, object_hard_regs_compare): Ditto.
+ (create_new_object_hard_regs_node): Ditto.
+ (add_new_object_hard_regs_node_to_forest): Ditto.
+ (add_object_hard_regs_to_forest, collect_object_hard_regs_cover): Ditto.
+ (setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
+ Ditto.
+ (print_hard_reg_set, print_hard_regs_subforest): Ditto.
+ (print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
+ (remove_unused_object_hard_regs_nodes): Ditto.
+ (enumerate_object_hard_regs_nodes): Ditto.
+ (object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
+ (object_hard_regs_subnode_t): Ditto.
+ (struct object_hard_regs_subnode): Ditto.
+ (object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
+ (setup_object_hard_regs_subnode_index): Ditto.
+ (get_object_hard_regs_subnodes_num): Ditto.
+ (form_object_hard_regs_nodes_forest): Ditto.
+ (finish_object_hard_regs_nodes_tree): Ditto.
+ (finish_object_hard_regs_nodes_forest): Ditto.
+ (allocnos_have_intersected_live_ranges_p): Rename to
+ allocnos_conflict_by_live_ranges_p. Move before copy_freq_compare_func.
+ (pseudos_have_intersected_live_ranges_p): Rename to
+ conflict_by_live_ranges_p. Move before copy_freq_compare_func.
+ (setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
+ (empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
+ (update_copy_costs): Remove assert. Skip cost update if the hard
+ reg does not belong the class.
+ (assign_hard_reg): Process only profitable hard regs.
+ (uncolorable_allocnos_num): Make it scalar.
+ (allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
+ and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
+ and ira_reg_class_max_nregs.
+ (bucket_allocno_compare_func): Check frequency first.
+ (sort_bucket): Add compare function as a parameter.
+ (add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
+ (uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
+ (push_allocno_to_stack): Rewrite for checking new allocno
+ colorability.
+ (remove_allocno_from_bucket_and_push): Print cost too. Remove assert.
+ (push_only_colorable): Pass new parameter to sort_bucket.
+ (push_allocno_to_spill): Remove.
+ (allocno_spill_priority_compare): Make it inline and rewrite.
+ (splay_tree_allocate, splay_tree_free): Remove.
+ (allocno_spill_sort_compare): New function.
+ (push_allocnos_to_stack): Sort allocnos for spilling once. Don't
+ build and use splay tree. Choose first allocno in uncolorable
+ allocno bucket to spill. Remove setting spill cost.
+ (all_conflicting_hard_regs): Remove.
+ (setup_allocno_available_regs_num): Check only profitable hard
+ regs. Print info about hard regs nodes.
+ (setup_allocno_left_conflicts_size): Remove.
+ (put_allocno_into_bucket): Don't call
+ setup_allocno_left_conflicts_size. Use setup_left_conflict_sizes_p.
+ (improve_allocation): New.
+ (color_allocnos): Call setup_profitable_hard_regs,
+ form_object_hard_regs_nodes_forest, improve_allocation,
+ finish_object_hard_regs_nodes_forest. Setup spill cost.
+ (print_loop_title): Use pressure classes.
+ (color_allocnso): Ditto.
+ (do_coloring): Remove allocation and freeing splay_tree_node_pool
+ and allocnos_for_spilling.
+ (ira_sort_regnos_for_alter_reg): Don't setup members
+ {first,next}_coalesced_allocno.
+ (color): Remove allocating and freeing removed_splay_allocno_vec.
+ (fast_allocation): Use ira_prohibited_class_mode_regs instead of
+ prohibited_class_mode_regs.
+
+ * ira-lives.c: Remove mentioning cover classes from the file. Fix
+ formatting.
+ (update_allocno_pressure_excess_length): Use pressure classes.
+ (inc_register_pressure, dec_register_pressure): Check for pressure
+ class.
+ (mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
+ pressure class. Use ira_reg_class_nregs instead of
+ ira_reg_class_max_nregs.
+ (mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
+ (mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
+ (single_reg_class): Use ira_reg_class_nregs instead of
+ ira_reg_class_max_nregs.
+ (process_bb_node_lives): Use pressure classes.
+
+ * ira-emit.c: Remove mentioning cover classes from the file. Use
+ ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS. Fix formatting.
+ (change_loop): Use pressure classes.
+ (modify_move_list): Call ira_set_allocno_class instead of
+ ira_set_allocno_cover_class.
+
+ * ira-build.c: Remove mentioning cover classes from the file. Use
+ ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
+ ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST. Use
+ ALLOCNO_UPDATED_CLASS_COST instead of
+ ALLOCNO_UPDATED_COVER_CLASS_COST. Fix formatting.
+ (ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
+ (ira_create_allocno): Remove initialization of
+ ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE. Initialize
+ ALLOCNO_COLORABLE_P.
+ (ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
+ Update conflict regs for the objects.
+ (create_cap_allocno): Remove assert. Don't propagate
+ ALLOCNO_AVAILABLE_REGS_NUM.
+ (ira_free_allocno_costs): New function.
+ (finish_allocno): Change a part of code into call of
+ ira_free_allocno_costs.
+ (low_pressure_loop_node_p): Use pressure classes.
+ (object_range_compare_func): Don't compare classes.
+ (setup_min_max_conflict_allocno_ids): Ditto.
+
+ * loop-invariant.c: Remove mentioning cover classes from the file.
+ Use ira_pressure_classes and ira_pressure_classes_num instead of
+ ira_reg_class_cover_size and ira_reg_class_cover. Fix formatting.
+ (get_cover_class_and_nregs): Rename to get_cover_pressure_and_nregs.
+ Use ira_reg_class_max_nregs instead of ira_reg_class_nregs.
+ Use reg_allocno_class instead of reg_cover_class.
+ (get_inv_cost): Use instead ira_stack_reg_pressure_class of
+ STACK_REG_COVER_CLASS.
+ (get_regno_cover_class): Rename to get_regno_pressure_class.
+ (move_loop_invariants): Initialize and finalize regstat.
+
+ * ira.c: Remove mentioning cover classes from the file. Add
+ comments about coloring without cover classes. Use ALLOCNO_CLASS
+ instead of ALLOCNO_COVER_CLASS. Fix formatting.
+ (alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
+ setup_class_subset_and_memory_move_costs.
+ (setup_stack_reg_pressure_class, setup_pressure_classes): New.
+ (setup_cover_and_important_classes): Rename to
+ setup_allocno_and_important_classes.
+ (setup_class_translate_array): New.
+ (setup_class_translate): Call it for allocno and pressure classes.
+ (cover_class_order): Rename to allocno_class_order.
+ (comp_reg_classes_func): Use ira_allocno_class_translate instead
+ of ira_class_translate.
+ (reorder_important_classes): Set up ira_important_class_nums.
+ (setup_reg_class_relations): Set up ira_reg_class_superunion.
+ (print_class_cover): Rename to print_classes. Add parameter.
+ (ira_debug_class_cover): Rename to ira_debug_allocno_classes.
+ Print pressure classes too.
+ (find_reg_class_closure): Rename to find_reg_classes. Don't call
+ setup_reg_subclasses.
+ (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class.
+ (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
+ (setup_prohibited_class_mode_regs): Use
+ ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs.
+ (clarify_prohibited_class_mode_regs): New function.
+ (ira_init_register_move_cost): Set up ira_max_register_move_cost,
+ ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
+ (ira_init_once): Initialize them.
+ (free_register_move_costs): Process them.
+ (ira_init): Move calls of find_reg_classes and
+ setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
+ Call clarify_prohibited_class_mode_regs.
+ (ira_no_alloc_reg): Remove.
+ (too_high_register_pressure_p): Use pressure classes.
+
+ * sched-deps.c: Remove mentioning cover classes from the file.
+ Use ira_reg_pressure_cover instead of ira_reg_class_cover. Use
+ ira_pressure_classes and ira_pressure_classes_num instead of
+ ira_reg_class_cover_size and ira_reg_class_cover.
+ (mark_insn_hard_regno_birth, mark_hard_regno_death): Use
+ sched_regno_pressure_class instead of sched_regno_cover_class.
+ (mark_insn_pseudo_birth, mark_pseudo_death): Ditto. Use
+ ira_reg_class_max_nregs instead of ira_reg_class_nregs.
+
+ * ira.h: Add 2010 to Copyright.
+ (ira_no_alloc_reg): Remove external.
+ (struct target_ira): Rename x_ira_hard_regno_cover_class,
+ x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
+ x_ira_class_translate to x_ira_hard_regno_allocno_class,
+ x_ira_allocno_classes_num, x_ira_allocno_classes, and
+ x_ira_allocno_class_translate. Add x_ira_pressure_classes_num,
+ x_ira_pressure_classes, x_ira_pressure_class_translate, and
+ x_ira_stack_reg_pressure_class. Rename x_ira_reg_class_nregs to
+ x_ira_reg_class_max_nregs. Add x_ira_reg_class_min_nregs and
+ x_ira_no_alloc_regs.
+ (ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class.
+ (ira_reg_class_cover_size, ira_reg_class_cover): Rename to
+ ira_allocno_classes_num and ira_allocno_classes.
+ (ira_class_translate): Rename to ira_allocno_class_translate.
+ (ira_pressure_classes_num, ira_pressure_classes): New definitions.
+ (ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
+ (ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
+ (ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
+ (ira_no_alloc_regs): New.
+
+ * ira-costs.c: Add 2010 to Copyright. Remove mentioning cover
+ classes from the file. Use ALLOCNO_CLASS instead of
+ ALLOCNO_COVER_CLASS. Use ALLOCNO_CLASS_COST instead of
+ ALLOCNO_COVER_CLASS_COST.
+ (regno_cover_class): Rename to regno_aclass.
+ (record_reg_classes): Use ira_reg_class_subunion instead of
+ ira_reg_class_union.
+ (record_address_regs): Check overflow.
+ (scan_one_insn): Ditto.
+ (print_allocno_costs): Print total mem cost fore regional allocation.
+ (print_pseudo_costs): Use REG_N_REFS.
+ (find_costs_and_classes): Use classes intersected with them on the
+ 1st pass. Check overflow. Use ira_reg_class_subunion instead of
+ ira_reg_class_union. Use ira_allocno_class_translate and
+ regno_aclass instead of ira_class_translate and regno_cover_class.
+ Modify code for finding regno_aclass. Setup preferred classes for
+ the next pass.
+ (setup_allocno_cover_class_and_costs): Rename to
+ setup_allocno_class_and_costs. Use regno_aclass instead of
+ regno_cover_class. Use ira_set_allocno_class instead of
+ ira_set_allocno_cover_class.
+ (init_costs, finish_costs): Use regno_aclass instead of
+ regno_cover_class.
+ (ira_costs): Use setup_allocno_class_and_costs instead of
+ setup_allocno_cover_class_and_costs.
+ (ira_tune_allocno_costs_and_cover_classes): Rename to
+ ira_tune_allocno_costs. Check overflow. Skip conflict hard regs
+ by processing objects. Use ira_reg_class_max_nregs instead of
+ ira_reg_class_nregs.
+
+ * rtl.h (reg_cover_class): Rename to reg_allocno_class.
+
+ * sched-int.h: Remove mentioning cover classes from the file.
+ (sched_regno_cover_class): Rename to sched_regno_pressure_class.
+
+ * reginfo.c: Add 2010 to Copyright. Remove mentioning cover
+ classes from the file.
+ (struct reg_pref): Rename coverclass into allocnoclass.
+ (reg_cover_class): Rename to reg_allocno_class.
+
+ * Makefile.in (ira-color.o): Remove SPLAY_TREE_H from dependencies.
+
+ * config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.
+
+ * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/avr/avr.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/cris/cris.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/frv/frv.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.
+
+ * config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
+ (i386_ira_cover_classes): Ditto.
+
+ * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/mep/mep.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
+ (mips_ira_cover_classes): Ditto.
+
+ * config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
+ (IRA_COVER_CLASSES_VSX): Ditto.
+
+ * config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
+ (rs6000_ira_cover_classes): Ditto.
+
+ * config/rx/rx.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/s390/s390.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/score/score.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/sh/sh.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/spu/spu.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/v850/v850.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/vax/vax.h (IRA_COVER_CLASSES): Ditto.
+
+ * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.
+
+2011-03-29 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/48253
+ * dwarf2out.c (struct dw_fde_struct): Remove dw_fde_hot_section_label,
+ dw_fde_hot_section_end_label, dw_fde_unlikely_section_label,
+ dw_fde_unlikely_section_end_label, cold_in_std_section,
+ dw_fde_switched_sections and dw_fde_switched_cold_to_hot fields.
+ Add dw_fde_second_begin, dw_fde_second_end and second_in_std_section
+ fields.
+ (output_fde): Use dw_fde_second_{begin,end} if second is
+ true, otherwise dw_fde_{begin,end}.
+ (output_call_frame_info): Test dw_fde_second_begin != NULL
+ instead of dw_fde_switched_sections.
+ (dwarf2out_begin_prologue): Stop initializing removed dw_fde_struct
+ fields, initialize new fields. Initialize in_std_section
+ unconditionally from the first partition.
+ (dwarf2out_end_epilogue): Don't override dw_fde_end when
+ dw_fde_second_begin is non-NULL.
+ (dwarf2out_switch_text_section): Stop initializing removed
+ dw_fde_struct fields, initialize new fields, initialize
+ also dw_fde_end here. Set dw_fde_switch_cfi even when
+ dwarf2out_do_cfi_asm (). Call var_location_switch_text_section.
+ (struct var_loc_list_def): Add last_before_switch field.
+ (arange_table, arange_table_allocated, arange_table_in_use,
+ ARANGE_TABLE_INCREMENT, add_arange): Removed.
+ (size_of_aranges): Count !in_std_section and !second_in_std_section
+ hunks in fdes, instead of looking at arange_table_in_use.
+ (output_aranges): Add aranges_length argument, don't call
+ size_of_aranges here. Instead of using aranges_table*
+ emit ranges for fdes when !in_std_section resp.
+ !second_in_std_section.
+ (dw_loc_list): Break ranges crossing section switch.
+ (convert_cfa_to_fb_loc_list): Likewise. If switched sections,
+ use dw_fde_second_end instead of dw_fde_end as end of last range.
+ (gen_subprogram_die): Don't call add_arange. Use
+ dw_fde_{begin,end} for first partition and if switched
+ section dw_fde_second_{begin,end} for the second.
+ (var_location_switch_text_section_1,
+ var_location_switch_text_section): New functions.
+ (dwarf2out_begin_function): Initialize cold_text_section even
+ when function_section () isn't text_section.
+ (prune_unused_types): Don't walk arange_table.
+ (dwarf2out_finish): Don't needlessly test
+ flag_reorder_blocks_and_partition when testing cold_text_section_used.
+ If info_section_emitted, call size_of_aranges and if it indicates
+ non-empty .debug_aranges, call output_aranges with the computed
+ size. Stop using removed dw_fde_struct fields, use
+ dw_fde_{begin,end} for first partition and dw_fde_second_{begin,end}
+ for second.
+
+ PR debug/48203
+ * cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Only
+ create ENTRY_VALUE if incoming or address of incoming's MEM
+ is a hard REG.
+ * dwarf2out.c (mem_loc_descriptor): Don't emit
+ DW_OP_GNU_entry_value of DW_OP_fbreg.
+ * var-tracking.c (vt_add_function_parameter): Ensure cselib_lookup
+ on ENTRY_VALUE is able to find the canonical parameter VALUE.
+ * cselib.c (rtx_equal_for_cselib_1) <case ENTRY_VALUE>: Use
+ rtx_equal_p instead of rtx_equal_for_cselib_1 to compare
+ ENTRY_VALUE_EXPs.
+ (cselib_hash_rtx) <case ENTRY_VALUE>: If ENTRY_VALUE_EXP
+ is a REG_P or MEM_P with REG_P address, compute hash directly
+ instead of calling cselib_hash_rtx on ENTRY_VALUE_EXP.
+ (preserve_only_constants): Don't clear VALUES forwaring
+ ENTRY_VALUE to some other VALUE.
+
+2011-03-28 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * builtins.c (expand_builtin_memset_args): Use gen_int_mode
+ instead of GEN_INT.
+
+2011-03-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cfgexpand.c (expand_gimple_cond): Always set the source location and
+ block before expanding the statement.
+ (expand_gimple_stmt_1): Likewise. Set them here...
+ (expand_gimple_stmt): ...and not here. Tidy.
+ * cfglayout.c (curr_insn_locator): Return 0 if the current location is
+ unknown.
+
+2011-03-28 Steven Bosscher <steven@gcc.gnu.org>
+
+ * Makefile.in: New rule for cprop.o.
+ * gcse.c: Move constant/copy propagation to cprop.c.
+ (compute_local_properties): Only handle expression tables.
+ (hash_scan_set, compute_hash_table_work, alloc_hash_table,): Likewise.
+ (one_pre_gcse_pass, one_code_hoisting_pass): Likewise.
+ (hash_set, insert_set_in_table, gcse_constant_p, lookup_set,
+ next_set, reset_opr_set_tables, oprs_not_set_p, mark_call, mark_set,
+ mark_clobber, mark_oprs_set, alloc_cprop_mem, free_cprop_mem,
+ compute_cprop_data, find_used_regs, try_replace_reg,
+ find_avail_set, cprop_jump, constprop_register, cprop_insn,
+ local_cprop_find_used_regs, do_local_cprop, local_cprop_pass,
+ fis_get_condition, implicit_set_cond_p, find_implicit_sets,
+ find_bypass_set, reg_killed_on_edge, bypass_block,
+ bypass_conditional_jumps, one_cprop_pass, gate_rtl_cprop,
+ execute_rtl_cprop, pass_rtl_cprop): Move to...
+ * cprop.c: ...here. New file, constant/copy propagation for RTL
+ moved from gcse.c to here with minor cleanups in duplicated code.
+
+2011-03-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (flag_opts): Fix a typo in
+ -mavx256-split-unaligned-store.
+
+2011-03-28 Anatoly Sokolov <aesok@post.ru>
+
+ * config/h8300/h8300.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
+ LIBCALL_VALUE): Remove macros.
+ * config/h8300/h8300.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
+ TARGET_FUNCTION_VALUE_REGNO_P): Define.
+ (h8300_function_value, h8300_libcall_value,
+ h8300_function_value_regno_p): New functions.
+
+2011-03-28 Anatoly Sokolov <aesok@post.ru>
+
+ * config/h8300/h8300.h (ASM_OUTPUT_BSS): Remove macro.
+
+2011-03-28 Jeff Law <law@redhat.com>
+
+ * tree-ssa-threadupdate.c (redirect_edges): Call
+ create_edge_and_update_destination_phis as needed.
+ (create_edge_and_update_destination_phis): Accept new BB argument.
+ All callers updated.
+ (thread_block): Do not update the profile when threading around
+ intermediate blocks.
+ (thread_single_edge): Likewise.
+ (determine_bb_domination_status): If BB is not a successor of the
+ loop header, return NONDOMINATING.
+ (register_jump_thread): Note when we register a jump thread around
+ an intermediate block.
+ * tree-ssa-threadedge.c (thread_around_empty_block): New function.
+ (thread_across_edge): Use it.
+
+2011-03-28 Tristan Gingold <gingold@adacore.com>
+
+ * config/ia64/ia64.c (ia64_promote_function_mode): Fix promotion
+ when for_return is 2.
+
+2011-03-28 Jeff Law <law@redhat.com>
+
+ * var-tracking.c (canonicalize_values_mark): Delete unused
+ lhs assignment.
+ (canonicalize_values_star, set_variable_part): Likewise.
+ (clobber_variable_part, delete_variable_part): Likewise.
+
+2011-03-28 Steven Bosscher <steven@gcc.gnu.org>
+
+ * gcse.c (free_gcse_mem): Free reg_set_bitmap.
+
+2011-03-28 Martin Jambor <mjambor@suse.cz>
+
+ * tree-inline.c (expand_call_inline): Do not check that destination
+ node is analyzed.
+ (optimize_inline_calls): Assert that destination node is analyzed.
+ * cgraph.c (cgraph_add_new_function): Call cgraph_analyze_function, do
+ not call tree_lowering_passes.
+ * cgraph.h (cgraph_analyze_function): Declare.
+ * cgraphunit.c (cgraph_analyze_function): Make public.
+
+2011-03-28 Joseph Myers <joseph@codesourcery.com>
+
+ * config/sparc/sparc-opts.h: New.
+ * config/sparc/sparc.c (sparc_handle_option, sparc_select,
+ sparc_cpu, fpu_option_set, TARGET_HANDLE_OPTION): Remove.
+ (sparc_option_override): Store processor_type enumeration rather
+ than string in cpu_default. Remove name and enumeration from
+ cpu_table. Directly default -mcpu then default -mtune from -mcpu
+ without using sparc_select. Use target_flags_explicit instead of
+ fpu_option_set.
+ * config/sparc/sparc.h (enum processor_type): Move to
+ sparc-opts.h.
+ (sparc_cpu, struct sparc_cpu_select, sparc_select): Remove.
+ * config/sparc/sparc.opt (config/sparc/sparc-opts.h): New
+ HeaderInclude entry.
+ (mcpu=, mtune=): Use Var and Enum.
+ (sparc_processor_type): New Enum and EnumValue entries.
+
+2011-03-28 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+ Iain Sandoe <iains@gcc.gnu.org>
+
+ PR target/48245
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Use LINK_PLUGIN_SPEC.
+
+2011-03-28 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-vectorizer.h (vect_create_data_ref_ptr): Adjust prototype.
+ * tree-vect-data-refs.c (vect_create_data_ref_ptr): Add GSI parameter.
+ Insert new statements at it in lieu of STMT.
+ (vect_setup_realignment): Adjust call to vect_create_data_ref_ptr.
+ * tree-vect-stmts.c (vectorizable_store): Likewise.
+ (vectorizable_load): Likewise.
+
+2011-03-28 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.md (addtf3): Change mode of operands to TFmode.
+ (divtf3): Ditto.
+ (multf3): Ditto.
+ (subtf3): Ditto.
+
+2011-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (*avx_mov<mode>_internal): Don't assert
+ unaligned 256bit load/store.
+ (*avx_movu<ssemodesuffix><avxmodesuffix>): Likewise.
+ (*avx_movdqu<avxmodesuffix>): Likewise.
+
+2011-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/48288
+ * config/pa/predicates.md (reg_or_ior_operand): New predicate.
+ * config/pa/pa.md (iordi3): Use new predicate in expander.
+ (iorsi3): Likewise.
+
+2011-03-27 Anatoly Sokolov <aesok@post.ru>
+
+ * config/mips/mips.h (LIBCALL_VALUE, FUNCTION_VALUE,
+ FUNCTION_VALUE_REGNO_P): Remove macros.
+ * config/mips/mips-protos.h (mips_function_value): Remove.
+ * config/mips/mips.c (mips_function_value): Rename to...
+ (mips_function_value_1): ... this. Make static. Handle receiving
+ the function type in 'fn_decl_or_type' argument.
+ (mips_function_value, mips_libcall_value,
+ mips_function_value_regno_p): New function.
+ (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
+ TARGET_FUNCTION_VALUE_REGNO_P): Define.
+
+2011-03-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (flag_opts): Add -mavx256-split-unaligned-load
+ and -mavx256-split-unaligned-store.
+ (ix86_option_override_internal): Split 32-byte AVX unaligned
+ load/store by default.
+ (ix86_avx256_split_vector_move_misalign): New.
+ (ix86_expand_vector_move_misalign): Use it.
+
+ * config/i386/i386.opt: Add -mavx256-split-unaligned-load and
+ -mavx256-split-unaligned-store.
+
+ * config/i386/sse.md (*avx_mov<mode>_internal): Verify unaligned
+ 256bit load/store. Generate unaligned store on misaligned memory
+ operand.
+ (*avx_movu<ssemodesuffix><avxmodesuffix>): Verify unaligned
+ 256bit load/store.
+ (*avx_movdqu<avxmodesuffix>): Likewise.
+
+ * doc/invoke.texi: Document -mavx256-split-unaligned-load and
+ -mavx256-split-unaligned-store.
+
+2011-03-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR target/38598
+ * config/mips/mips.md (extendsidi2): Add an "l" alternative.
+ Update commentary.
+
+2011-03-27 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_prepare_builtin_arg): Replace icode and
+ opno arguments with an expand_operand. Use create_input_operand.
+ (mips_prepare_builtin_target): Delete.
+ (mips_expand_builtin_insn, mips_expand_builtin_compare_1): New
+ functions.
+ (mips_expand_builtin_direct): Use create_output_operand and
+ mips_expand_builtin_insn. Update call to mips_prepare_builtin_arg.
+ (mips_expand_builtin_movtf): Likewise. Use mips_expand_fp_comparison.
+ (mips_expand_builtin_compare): Use mips_expand_fp_comparison.
+
+2011-03-27 Ira Rosen <ira.rosen@linaro.org>
+
+ * config/arm/arm.c (arm_autovectorize_vector_sizes): New
+ function.
+ (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.
+
+2011-03-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * basic-block.h (fixup_abnormal_edges): Adjust prototype.
+ * reload1.c (reload): Adjust call to fixup_abnormal_edges. Rediscover
+ basic blocks and call commit_edge_insertions directly.
+ (fixup_abnormal_edges): Move from here to...
+ * cfgrtl.c (fixup_abnormal_edges): ...here. Only insert instructions
+ on the edges and return whether some have actually been inserted.
+ * reg-stack.c (convert_regs): Fix up abnormal edges before inserting
+ compensation code.
+
+2011-03-26 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/48144
+ * sel-sched-ir.c (merge_history_vect): Factor out from ...
+ (merge_expr_data): ... here.
+ (av_set_intersect): Rename to av_set_code_motion_filter.
+ Update all callers. Call merge_history_vect when an expression
+ is found in both sets.
+ * sel-sched-ir.h (av_set_code_motion_filter): Add prototype.
+
+2011-03-26 Alan Modra <amodra@gmail.com>
+
+ * config/rs6000/predicates.md (word_offset_memref_op): Handle
+ cmodel medium addresses.
+ * config/rs6000/rs6000.c (rs6000_secondary_reload): Handle misaligned
+ 64-bit gpr loads and stores.
+ (rs6000_secondary_reload_ppc64): New function.
+ * config/rs6000/rs6000-protos.h: Declare it.
+ * config/rs6000/rs6000.md (reload_di_store, reload_di_load): New.
+
+2011-03-26 Alan Modra <amodra@gmail.com>
+
+ PR target/47487
+ * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Support
+ GNU Go in traceback table.
+
+2011-03-25 Richard Henderson <rth@redhat.com>
+
+ * expr.c (emit_block_move_via_movmem): Only use 6 operand variant
+ if there are exactly 6 operands.
+ (set_storage_via_setmem): Similarly.
+
2011-03-25 Kai Tietz <ktietz@redhat.com>
* collect2.c (write_c_file_stat): Handle backslash
2011-01-17 H.J. Lu <hongjiu.lu@intel.com>
PR target/47318
- * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
- __m128i.
+ * config/i386/avxintrin.h (_mm_maskload_pd): Change mask to __m128i.
(_mm_maskstore_pd): Likewise.
(_mm_maskload_ps): Likewise.
(_mm_maskstore_ps): Likewise.
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