+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.
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